Door Window Sensor Contact Wireless Magnet Entry Detector Sensor GSM Alarm System,433Mhz
$14.30
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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
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