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USD 38.28 /bag USD 18.63 /bag USD 17.28 /bag USD 17.68 /bag USD 25.63 /bag Wireless 433Mhz Keyfobs Remote Control for Our Related Home Alarm Home Security System Description: Power Supply: 27A 12V Battery Static Current: 0 Emission Current: ≤15 mA Transmission Frequency: 433MHZ ± 0.5MHZ Emission Speed: T≤1 second Emission Distance: About 30m Temperature: -10 degrees ~ +40 degrees Humidity: ≤ 90% rh Battery Life Time: About 8 months What\'s in: 2 x wireless remote control