Features:Wireless control LED lamp string, Christmas tree light string, light control switchLong range working voltageUltra low ,High sensitive responseSpecification: Working voltage: DC 3.6V~24VColor as shownMaterial: PC+Metal+PlasticMaximum load: 2AStatic current: 3.6 mA ~ 5.5mAWorking frequency: 433MHzReception sensitivity: -107dBmOutput DC3.6V~DC24VSize: 22.5 mm x 11mm x 8mm (length x width x high)Mini size support coding format 1527 learning codeModulation mode:ASK (superheterodyne)Number of stored remote controls: 10Working mode: Momentary, Toggle, Latching ModeLearning style: Learning ButtonWorking temperature: -20 degrees 80 degreesPackage Contents:5 pcs Light Switch Receiver ModuleOnly the above package content, other products are not included.Note: Light 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.