Gate Relay Switches GSM Wireless Doors Access RTU5024 850/900/1800/1900MHz Opener for Household Bedroom Ornaments

Hign-concerned Chemical : None Model Number : Relay Switch Brand Name : alloet Origin : Mainland China Certification : none Relay Switch : GSM Gate Opener GSM Frequency : Quad-Band 850/900/1800/1900MHz Network : 2G Digital Output : NC/NO dry contact, 3A/240VAC DC Power Supply : 9-24VDC/2A Power Consumption : 12V Input Max.50mA/Average 25mA SIM Card : Support 3V SIM Card Antenna : 50 SMA Antenna Interface Cable Length : 3m/9.84ft Temperature Range : -20-60 Humidity Range : Ralative Humidity 90% Exterior Size : 82 X 76 X 27mm/3.23 X 2.99 X 1.06"