Cheap door magnetic sensor, Buy Quality security system directly from China 433mhz door Suppliers: DIYSECUR K2 Wireless 433Mhz Door Magnetic Sensor for Our Related Home Alarm Home Security System Gap sensor
USD 7.73 /bag USD 14.36 /bag USD 19.98 /bag USD 16.88 /bag USD 15.54 /bag USD 33.68 /bag Wireless 433Mhz Door Magnetic Sensor for Our Related Home Alarm Home Security System Gap sensor Description: Power Supply: DC 12V / 23A 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 6-12 months What\'s in: 2 x Wireless door sensor