Features: Three functional modes: jog-mode, self-locking mode, interlocking mode The product adopts 30A-relay with greater load power and more stable performances The receiver adopts ultra-high sensitivity, and its anti-interference capability far greater than that of the market With tin coating on the back the output current more stable, and the isolation -tank safer and more reliable Applicable to: water pump DCmotor LED lamps, road gates, electric doors, etc Specifications: Item:Water Pump Remote Controller Working Voltage: 220V 380V RF Transmitter: 315/433 MHz Current: less than 30A- Size:As Pictures Otional Type: 315MHz/433 MHz Otional Remote Number: Single Remote / Dual Remotes Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Compare with your detail size, due to manual measurement, allow 1-3cm error.Thank you for your understanding. Package includes: 1 Set x Remote Control