Little pencil case,big fantastic world 
<br />  Search term:  
<br /> Triggering, Door Detector, Security Alarm, Safe &amp; Intelligent, Wireless, Magnetic, Contact 
<br />  
<br /> Features: 
<br /> Low battery report 
<br /> Automatic status report 
<br /> Tamper proof report 
<br /> Transmission distance 200m 
<br /> Anti-inter ference 
<br /> Magnetic check 
<br />  
<br /> Description: 
<br /> Tamper switch: keep close 
<br /> Transmission method: wireless Transmission  
<br /> Alarm output: warning details, tamper, low battery and door window out of close report in a certain time 
<br /> Self-testing report: sending details to host one-time per 60 minutes 
<br />  
<br /> Specifications: 
<br /> Color: white 
<br /> Working range: &gt;=100m(open distance) 
<br /> Transmission frequency:  433.9mhz  
<br />                        Default: 315mhz, 868.4mhz(for options) 
<br /> Learning code: 1527 Default 
<br /> Operating voltage: 12V 23A 
<br /> Static current: &lt;=9uA 
<br /> Transmission current: &lt;=15mA 
<br /> Working Environment: -10 to 50 u00b0C 
<br /> Battery: 23A 12V 
<br /> Size: Approx. 80x 36 x 18mm 
<br /> Material: ABS 
<br />  
<br /> Package Including: 
<br /> 1 x Wireless Magnetic Contact Door Detector 
<br /> 1 x Battery 
<br /> 2 x Stickers 
<br /> 2 x manual(one in Chinese, the one in English)  
<br /> Always affording new shopping experience for you<p> <b><b><img src="https://contestimg.wish.com/api/webimage/5955fa0506053f0740e367c6-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5955fa0506053f0740e367c6-1-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5955fa0506053f0740e367c6-2-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5955fa0506053f0740e367c6-3-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5955fa0506053f0740e367c6-4-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5955fa0506053f0740e367c6-5-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5955fa0506053f0740e367c6-6-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5955fa0506053f0740e367c6-7-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/5955fa0506053f0740e367c6-8-large.jpg></b></b></p>