General description High power 433MHz water pump remote control switch designed for versatile applications. This wireless RF transmitter allows for easy control of lights, fans, and other devices from a distance. Technical specifications Input power: AC 90-250V Frequency: 433MHz Max current: 30A Receiver module size: 2.6 x 2.3 x 1.2 inches Receiver weight: 0.15 lb Remote transmitter size: 2.36 x 1.18 inches (without key ring) Control distance: 50m in open space Battery: 2 x CR2016 (included) Remote storage: 25 pcs Material: Plastic Remote weight: 0.07 lb Working voltage: 3V Other information Package contents: 4 x Remote Control, 2 x RF Controller Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.