Description:100% brand new and high quality Feature:Made of high-quality material, durable, firm and has a long service life.Designed with the LED indicator light, let you know the working status in real time.Manual code matching button, easy and simple to operate.-105db high sensitivity, fast response speed, 100 meters transmitting distance.Self-powered, no battery needed, very easy and convenient to use.Easy and simple to install and remove with the double-side adhesive tapes.Application range: lamp, switch, motor, security modified controller field, etc.Suitable for home room, garage, stairs, office and so on. Specifications:Item Type: Wireless Receiver Module+SwitchMaterial: plasticSize: 5.2x5.5x2.5cm/2.04x2.16x0.9inColor: White+GreenOptional Type: A, B, CWorking voltage: AC85-250VMax current: AC10AWorking frequency: 433mhzWorking mode: self-lock, interlockReceiving sensitivity: -105dbmOutput mode: voltage outputQuantity: 1 PC Note:No retail package.Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Includes:1 x 1/2/3 Key Switch1/2/3 x Wireless Receive Controller Module