Sell SONOFF DW1 433Mhz RF Bridge Smart Door Window Sensor Home Alarm Security Burglar best price

✔✔✔✔✔Welcome to our shop！✨ 💗 Arthur 💗 ✔Your happy shopping experience is our destiny! Please feel free to contact us once you have any problem! We will try our best to help you! We support 100% quality gurantee for you ! ✔All of our items are the best quality and good service please be free to choose the items as you like. .............................💗💗................................. ✔Please read before ordering. ✔ Shop Support COD; ✔Before ordering,receive coupons,enjoy more benefits ✔Shipping from China,Estimated Ship time is 1-3 days from Order received Date,normally 8--13 working days to arrive ✔Like our products, please give us a 5 star rating, 5 stars praise, chat, contact us, get coupons, more discounts ✔▶ ▶ Follow and contact us for extra discount! Hope you can enjoy your shopping trip in pecification: .............................💗💗................................. Specification: Brand new Dimension: 77 x 49.5 x 18.8 mm(L*W*H) Support Battery: 12V 23A(Not Included) Wireless Frequency: 433.92MHz Protocol: EV1527 Quiescent Current: ≤5μA Emission Current: ≤10mA Operating Environment: -10℃-50℃ (14℉-122℉) Battery: L 27mm,Dia.10mm(This model doesn’t come with battery) Built-in antenna provided. 200m wireless transmit distance. Less than 1μA quiescent current. Supports wireless frequency of 433.92MHz. Ultra-low power magnetic dedicated microprocessor. Package Included: 1 x 433Mhz Door Window Sensor Note: This model doesn’t come with battery. Please allow minor deviation due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.