Specifications: Wireless remote control switch, convenient to use. Suitable for drop-light, crystal lamps, energy-saving lamps, etc. Fast and easy to install, not obstructed by walls, stable signal receiving. Item Name: Remote Control Working Voltage: 220V Power Supply: 1 x 23A 12V (Battery Included) Features: Wireless, Lighting Controller, Stable Signal Receiving, Easy to Use Size: Remote Controller: 11cm x 4.3cm x 4.5cm/4.33" x 1.79" x 1.87" (Approx.) Receiver: 7.6cm x 4.5cm x 2.5cm/2.99" x 1.87" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Remote Control (Battery Included) 1 x Receiver