Video Door Phones By Grestok

• No Battery Required: No battery is needed, and the generator can be turned into electric energy by pressing a finger. Say goodbye to the trouble of replacing the battery, which is environmentally friendly and energy-saving.
• Long Wireless Range : The strong and stable wireless signal ensures that you can hear the doorbell chime clearly, even if you are a few rooms away or on another floor. Its ideal for large spaces which with several entranceways or multiple floors big house, office, hotel service and other areas. Never miss a visit or delivery.
• Waterproof Transmitter : The waterproof standard can prevent rainwater intrusion, no worry for any weather conditions, and effectively extend the service life of the product.
• 57 Different Ringtones and High-Volume Levels: 57 different ring tones allow you to change the ringtone freely. Adjustable Volumes for you to adjust, meet your different needs; The bell rings and the LED flashes.
• Widely Use : This doorbell can be widely used; in the home, office, stores, warehouse, hospital or business spaces. Besides, it can also act as nursing equipment for the elderly or patients.

• Ultra-long wireless. The strong and stable wireless signal ensures that you will never miss any visitors even if you are in a big house with several rooms and the wireless doorbell can be operated with 32 optional ringtones with high volume level. Whether upstairs or basement.
• Doorbell Receiver & Push Button Expandable, different transmitters can be set to different tunes. With multiple wireless door bells you can configure each door with a different ringtone. Know exactly which door your visitors are calling from. It's convenient for homes or offices with multiple entry points
• This Wireless doorbells without any cables. Simply peel and stick the button then plug-in the receiver. The doorbell push button with colourful LED flash light is waterproof and weatherproof. Multiple use for home, office, garage, store, office, apartments, villas, garden, hospital, school the disabled people etc
• The wireless doorbell has compact design and easy to use, plug receiver wont block other sockets and does not interfere with other equipment in your home.
• The doorbell push button has a waterproof rating to ensures the perfect usage in rainy days and ensure that it is suitable for different areas of different climates.
• Resetting the Bell Module: Plug the device into the power outlet while pressing and holding the \"Volume\" and \"Music+\" buttons simultaneously.. When you turn on the power, the LED begins to blink.. Hold the buttons down for five seconds until the blinking LED becomes stable, the bell rings twice, and the reset is complete. Then, pair the bell and button again.