EDFQ-B Type Remote Control Electric Burglary Resistant Door Lock Main Function and Character: 1. Safety Applying industrial FSK type wireless radio frequency to receive and send signal. taking on powerful anti-jamming ability. Autocoding by rolling code and anti-translating, no repeat. no mechanical key, anti technical locking and outside force destroy resistant. 2. Convenience Integrated mechanism with electron as a body. Only press locking and unlocking buttons of remote controller to lock and unlock within 15m. 3. Intelligence With telephone remote switch lock function and Used with various wireless burglary resistant alarm systems. 4. Reliability Double independent control circuit device, alternating current and direct current respectively supply power.