Doorbells 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.