Motion detector and wireless doorbell, home alarm system kit including 1 sensor and 1 receiver, electronic sensor welcome device for shops and offices

General Description The wireless alarm system kit includes a motion detector and a doorbell, ideal for the security of your home or shop. This electronic welcome device is easy to install and use, offering a convenient solution for greeting your visitors while monitoring your space. Technical Specifications Receiver host: requires 3 AA alkaline batteries or a Micro USB power supply Infrared curtain: requires 3 AAA alkaline batteries or a Micro USB power supply Receiver battery life: 5 to 7 months (ringing 30 times per day) Infrared curtain battery life: 5 to 7 months (detection 30 times per day) Compatibility and Accessories Kit contents: 1 transmitter, 1 receiver, 1 receiver base, 1 transmitter base, 1 adhesive strip, 1 bag of mounting screws, 1 user manual (English not guaranteed)