General description The DC 12V 40A Relay Remote Control Switch is a versatile wireless switch designed for various electrical control applications. Utilizing 433MHz radio frequency technology, it offers a stable signal and a remote control distance of approximately 20 meters, even through walls. This switch is ideal for controlling electric doors, industrial equipment, low-voltage DC power supplies, and more. Technical specifications Operating frequency: 433MHz Supply voltage: DC8-15V Working voltage: 12V Standby current: 7mA Working current: 130mA Load capacity: 40A Power: 350W Size: 8.1 x 5 x 3.2 cm Compatibility and accessories Includes: 1 x Remote Control Switch 2 x Remote Controls Other information Color: White + Black Material: Plastic + Metal Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3cm.