1、Dedicated Access Control Solution: Specifically designed for the access control field, this system supports WiFi and for Tuya app, allowing you to add users, unlock doors, and view logs anytime, anywhere via a mobile app for ultimate convenience. 2、Impressive Remote Capacity: A single receiver can connect up to 40 remote controls with an impressive reception range of up to 30 meters. With a built in DC power cord, the door opener kit ensures ease of use. 3、Adjustable Lock Delay: The system offers adjustable lock delay times of 0, 5, 10 seconds, with a default of 5 seconds. It features three working modes: momentary, latched, and toggle, ensuring adaptable and convenient operating. 4、Built In Buzzer For Alerts: The remote receiving unit comes with an integrated buzzer that sounds when the door unlocks. Equipped with an internal diode for real time relay and lock protecting, it guarantees a long lasting lifespan. 5、Remote Unlock Capability: Easily unlock with the app or by pressing the wireless remote transmitter. When away from home, you can remotely unlock the electric door lock for friends or family via the mobile app, eliminating the need to stay by the door. Item Type: Smart Access Control System Material: ABS Plastic, Stainless Steel Weight: Approx. 507.00g/17.88oz Remote Control Battery: Battery x1 (Not Included) Product Size: Approx. 75x45x25mm/2.95x1.77x0.98in, 90x35x26mm/3.54x1.38x1.02in Frequency: 433.29MHZ Supported Transmitters: Up to 40 Working Mode: Momentary Mode, Latch Mode, Toggle Mode Working Distance: 160 Feet Delay Time: 0, 5, 10 Seconds 1 x Buzzer Receiver 2 x Remote Controller 2 x Remote Controller Accessory 1 x Plug 3 x Instruction Manual 3 x Accessory 4 x Screw