2 Door Electromagnetic Door Lock 600lb with Wireless Remote Kit (2) 600lb Electric Magnetic Lock (1) Seco-Larm Enforcer SL-SK-910R2 Two Channel RF Receiver (2) Seco-Larm Enforcer SL-SK-919TD2A-up 2 ch Channel RF Transmitter (4) 12V500ma Power supply (2) Exit Button