Transmitter ------ Working Frequency : 2.4 -2.5 GHZ Battery Type : 2pcs CR2032 Betteries Battery Life Time : 500times / Day,can use 300days Wireless distance : 50 Meters in empty area Working temperature :-20'C - 45'C Operating Humidity : 10 - 90% RH
Size : 150 ( L ) x 38 ( W ) x 11mm ( H ) ( slim version ) 86 ( L ) x 86mm ( W ) ( Square version )
Receiver ------ Power input : AC/DC 12-30v , Standby current : 15mA Relay contact capacity : 1A 24VDC
Size ; 145mm ( L ) x 30mm ( W ) x 20mm ( H ) Code capacity : up to 20pcs transmitters