Item specifications:
<br />ceiling/door/window/curtain PIR sensor
<br />Imported sensors, infrared processing chip
<br />External adapter: USB adapter 110-220V 
<br />Internal battery: 3*AAA Battery 
<br />Standby current:  50uA
<br />Alarm current:   20mA
<br />Receiving distance: 150 meters(open area)
<br />Wireless transmitting frequency: 433 MHZ 
<br />Shell material: ABS plastics
<br />Working temperature: -10-40 centigrade<p> <b><b><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-1-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-2-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-4-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-5-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-6-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-7-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-8-large.jpg"><img src="https://contestimg.wish.com/api/webimage/593a68f58caa3546c59a6b35-11-large.jpg></b></b></p>