Doorking 1875-010 Bypass Switch sprocket and direct sunlight with built-in

and direct sunlight with built-in anti-frost capabilities for all-weather reliability

Long-Lasting Power: Uses an alkaline 23A battery

long-term solution for installers and property owners who demand reliable cantilever gate performance

and compliance with UL325 safety standards

Doorking 1875-010 Bypass Switch sprocket and direct sunlight with built-inBypass Switch for DoorKing Telephone Entry Systems The DoorKing 1875 010 Bypass Switch is an essential accessory for maintaining uninterrupted telephone service with your DoorKing landline telephone entry system. In the event of a system failure, this switch allows you to bypass the entry system, ensuring the phone line remains connected directly to your propertys phones. Simple and effective, it provides peace of mind and continuity until the system