KERUI Wireless Mini Small Micro Door Sensor Home Security Door Window

Model Number : MC7 Small Door sensor Brand Name : KERUI Certification : CE Origin : Mainland China Smart home platform : Other power supply : usb or 3V CR2032 Button Battey size : 50*25*10 Feature : door open reminder Kerui 433MHz Wireless Door Window Magnetic Sensor Detector For Home Security Alarm System Touch Keypad Note:This product must work with alarm system,it can not work independent. Item Information 1.Built-in Antenna 2.Operating Power: 3V CR2032Button Battey(Not including battery) 3.Transmission frequency: 433MHz 4.Compound multi-layer design 5.Built-in omnidirectional antenna 6.Superior circuit design 7.High-performance and low power consumption 8.Superior ABS material 9.Working frequency:433MHz 10.Shock resistence:4.7M,1.2M.3.5M,300k 11.Transmission distance:50-150m in open area. Package quantities based on what you choose in the options. (not with battery)