Amount of storage remote controls : 20 pieces Support encoding : 1527 Learning code /2262 fixed code Operating mode : ASK superheterodyne wireless reception Remote operating mode : Momentary Mode / Toggle Mode / Latched Mode / Time Delay Mode Working voltage : DC 12V Input/Output vlotage : 1~250V Quiescent Current : Less than 5MA Max current : 10A Max load: 120W Circuit Board Size: 3.5 x 3.0 x 1.8cm(1.37 x 1.18 x 0.7in) Receiving range:more than 50ms(on open space) frequency : 433MHz Pin : NO / COM / NC Working temperature : -30~+80 degrees Receiving Sensitivity : 97dbm Material: ABS colour: black Package Contents: 5 x Wireless Circuit Board Relay Receiver 10 x Remote Control Transmitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.