Check the listing for details. USAutomatic / Sentry 300 433.92MHz Metal Wireless Keypad Driveway Gate Operators. Condition: New. Listed at 59.95 USD. Features: Wireless - No cabling required; simply code the keypad into your garage door or gate opener and mount it on the wall. Tamper-proof Housing - The secure cast housing protects the Smart Key from all forms of damage, including water leakage and rough contact. Weatherproof - Rated to IP54, making it virtually indestructible. Back-lighting - Be able to see your keypad in the dark with its handy LED back-light. Single Channel - Operate any Smart Openers garage door and gate opener or pair it with the Smart Receiver. Voltage: 12V (Compatible with 24V Operators).Power consumption: No standby consumption.This tamper-resistant, weatherproof, programmable Multi-code Wireless Keypad can be mounted outside your gate and offer convenient access without having to carry a transmitter.