eMastiff 433Mhz Door Window Sensor Contact Wireless Magnet Entry Detector Sensor GSM Alarm System

Specifications: Power Supply: CR2032 3V Battery Static Current: a???20 mA Transmission Current: a???15mA Transmission Frequency: 433MHZ ± 0.5MHZ Transmission Distance: About 30m with one barrier Internal Distance: 15 mm Temperature: -10 degree ~ + 40 degree Humidity: a??? 90% rh Battery Life Time: About 12 months
Package Included: 1 x?eMastiff 433Mhz Door Window Sensor ? ??