Descrtions:
Door Window Sensor Contact Wireless Magnet Entry Detector Sensor GSM Alarm System,433Mhz.

Specifications:
Power Supply: CR2032 3V Battery;
Static Current: 20 mA;
Transmission Current: 15mA;
Transmission Frequency: 433MHZ 0.5MHZ;
Transmission Distance: About 30m with one barrier;
Internal Distance: 15 mm;
Temperature: -10 degree ~ + 40 degree;
Humidity: 90% rh;
Battery Life Time: About 12 months;

Package Included:
1 x 433Mhz Door Window Sensor
Product Attributes:

Weight (lbs.): 0.07 lb