--- product_id: 3684571 title: "SECURITY WS4945 WIRELESS ALARM DOOR/WINDOW CONTACT/TRANSMITTER" brand: "dsc" price: "394.21 DT" currency: TND in_stock: true reviews_count: 13 url: https://www.desertcart.tn/products/3684571-security-ws4945-wireless-alarm-door-window-contact-transmitter store_origin: TN region: Tunisia --- # 1 Lithium Battery Included 65 dB Noise Level Wall Mount Design SECURITY WS4945 WIRELESS ALARM DOOR/WINDOW CONTACT/TRANSMITTER **Brand:** dsc **Price:** 394.21 DT **Availability:** ✅ In Stock ## Summary > 🔒 Secure Your Space, Elevate Your Safety! ## Quick Answers - **What is this?** SECURITY WS4945 WIRELESS ALARM DOOR/WINDOW CONTACT/TRANSMITTER by dsc - **How much does it cost?** 394.21 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/3684571-security-ws4945-wireless-alarm-door-window-contact-transmitter) ## Best For - dsc enthusiasts ## Why This Product - Trusted dsc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Compatibility:** Integrates effortlessly with your existing alarm systems. - • **Tamper-Proof Assurance:** Built-in tamper features keep your home safe from intruders. - • **Effortless Installation:** Easily mountable design ensures a hassle-free setup. - • **Stay Secure, Stay Smart:** Experience peace of mind with cutting-edge contact sensor technology. - • **Battery Powered Convenience:** Enjoy the freedom of wireless security with included lithium battery. ## Description DSC SECURITY WS4945 WIRELESS ALARM DOOR/WINDOW CONTACT/TRANSMITTER BUILT-IN REED SWITCH Normally closed external contact input 1 lithium battery included Case and wall tamper Review: Works perfect - Work perfect for several months Review: Very slim and work great! - Installation was pretty easy. I followed the tips from some of the other reviews (noting the number at the back BEFORE you stick on the tape). Also best to program these BEFORE you put them on the window. These are very slim and easy to install. I did it myself and worked great. The one thing I did have to do after a few days was to set the polling interval to be pretty high to 24 hours (from the default). Otherwise, I was getting false alerts (no response) with the units intermittently. ## Features - Built-in reed switch - Normally closed external contact input - 1 lithium battery included - Case and wall tamper ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B000V9XTBM | | Audible Noise | 65 Decibels | | Battery Description | Lithium (1 CR2 battery) | | Best Sellers Rank | #649 in Home Security Systems | | Brand | DSC | | Built-In Media | Battery | | Color | White | | Compatible Devices | Alarm Systems | | Control Method | Remote | | Customer Reviews | 4.5 4.5 out of 5 stars (222) | | Global Trade Identification Number | 00033587116369 | | Item Weight | 2 Pounds | | Manufacturer | DSC | | Mfr Part Number | WS4945 | | Model Number | WS4945 | | Mounting Type | Wall Mount | | Number of Batteries | 1 CR2 batteries required. (included) | | Power Source | Battery Powered | | Sensor Technology | Contact Sensor | | UPC | 033587116369 | ## Product Details - **Battery Description:** Lithium (1 CR2 battery) - **Brand:** DSC - **Color:** White - **Compatible Devices:** Alarm Systems - **Power Source:** Battery Powered ## Images ![SECURITY WS4945 WIRELESS ALARM DOOR/WINDOW CONTACT/TRANSMITTER - Image 1](https://m.media-amazon.com/images/I/41bigiL8FsL.jpg) ## Questions & Answers **Q: Will this work with Comcast xfinity system?** A: This DSC WS4939 sensor only can work with DSC wireless panels. For Xfinity system, you need Visonc MCT-320 sensors. **Q: How close does it need to be to the magnet to register as closed?** A: Usually with a 1/2 inch or so... **Q: Can you demand to know the "Installer Code" from your alarm company? This sensors cannot be added to your system without it** A: Ran into the same problem, but if you haven't tried, the manufacturer default for installer code 6321, if you are using the 4 digit, input type. Or you can try the last four digits of your account number from the support company. My bet is on the first one. Good luck with your problem. **Q: How do you pair it with the DSC panel?** A: I have a DSC 1832 and enrolled this to replace a failed wireless sensor, at the keypad (which is either a PK5501 or RFK5501). You'll need to have the wireless sensor in your hand and look at the number after the "S:" (it will probably have numbers and asterisks in it). With that in hand, here's what I did to replace the old / failed sensor. Press *8 on keyboard, followed by your programmers code (default is 5555), It will ask for a Section and show "---", type 804. It will ask for for section with two dashes "--", then type the zone number of the failed sensor. It will display the ESN of there old failed number, just type exactly what you see after "S:" on the label (including asterisks), then hit pound "#" until you are out of programming mode. Worked for me. Hope it works for you! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works perfect *by A***B on September 22, 2025* Work perfect for several months ### ⭐⭐⭐⭐⭐ Very slim and work great! *by V***R on December 29, 2018* Installation was pretty easy. I followed the tips from some of the other reviews (noting the number at the back BEFORE you stick on the tape). Also best to program these BEFORE you put them on the window. These are very slim and easy to install. I did it myself and worked great. The one thing I did have to do after a few days was to set the polling interval to be pretty high to 24 hours (from the default). Otherwise, I was getting false alerts (no response) with the units intermittently. ### ⭐⭐⭐⭐ Do Your Research First on What You Need & How to Install--Choose Wisely, and This One Works Very Well! *by D***M on November 2, 2017* Excellent. My original pro install of same sensor was defective, so I ordered this replacement, which is perfect and crazy easy to install as a replacement wireless sensor. I'll explain. When my first (but defective) DSC wireless sensor was installed in April 2016, the Tech did not spot the defect although he experienced for 30+ minutes the trouble installing and enrolling (programming to my system, which he also had installed). I did not realize the defect either at first and for many months. Then 6-12 months after install my sensor randomly would stop reacting to open and close (silent with chime on) and/or show as OPEN on the Keypad, which is what pro installer experienced at install. I recall he had great difficulty getting the wired door contact connected to the wireless transmitter. The false alarming began about 18 months after install--within the last 4 weeks. I checked the battery and it was 3.09v, barely over required but over the required. Replaced the battery or tried, and discovered the circuit board was not cut correctly. Not enough clearance for the battery and battery contact clips. Very hard to force the (yes, the correct, recommended) C2 Panasonic batt in the batt space. Pressed HARD against both top and bottom of circuit board and apparently from original install had bent the batt clip out of shape interfering with the wired reed switch connect screw-in terminal. Gently tried to reposition the batt clips. Still no joy--wires not seated and battery clip interfered with wired contact connections. Battery had already damaged batt clips because circuit board would not allow correct fit for correct battery. Ultimately batt clip broke. Soldered back, but still had to slide in (force) battery clip edge to make connection. Clearly not going to work longterm. So, I ordered this replacement, hoping to confirm my thought that original install unit was defective (it was). Spent part of 2 days researching how to install new wireless switch just to replace defective one (replacement only, not as new). Finally found several website instructions on how simple just a replacement of DSC wireless sensor for another (same) DSC wireless sensor can be (if you have the installer code--I did, luckily). Easy peasy. After about 2 days of research, ordering this switch, removing the defective one and installing the new one, and programming the new one (enrolling it to my system) took less than about 2 minutes. Working great and I expect no problems now. The new one had appropriate "footprint" spacing on board for the battery, the battery terminal contacts were appropriately (differently) placed than my originally installed defective one, and seems tight and proper. I've only just installed it a few hours ago, though, and will commit to update this review if this one begins failing in a way that seems likely related to its as-sold condition. Not expecting that, though, at all, given the visible distinctions between my original defective sensor and this one that seems very properly manufactured. I recommend searching for instructions and/or videos of how to install and enroll (program) this sensor to your particular DSC system (both the installed system motherboard and the wireless receiver--you must have both, of course--and the keypad, too). If you do your research well (takes a while for non-pro's), you will have a very simple & fast install. Good luck! ## Frequently Bought Together - DSC SECURITY WS4945 WIRELESS ALARM DOOR/WINDOW CONTACT/TRANSMITTER - DSC WS4904P PIR Wireless Motion Sensor --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/3684571-security-ws4945-wireless-alarm-door-window-contact-transmitter](https://www.desertcart.tn/products/3684571-security-ws4945-wireless-alarm-door-window-contact-transmitter) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-05-08*