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Description: 【Widely Wireless Range】- With strong wireless signals up to 1000FT/300M inside your home or business in an open area, ensures you will never miss a visitor, loud enough to be heard in other rooms and even by those with impaired hearing. 【36 Chimes & 3 Adjustable Volume】- A total of 36different ringtones, 3 adjustable levels, you can easily choose your favorite melody , you will find the one you love best and choose according to your habits and hobbies. Also can used as a wireless paging device when in need. 【Improved Waterproof Design】- The transmitter could works at temperature between -10℃ to 60℃ (14°F to 140°F), premium-grade IP44 waterproof and sealing technology ensures its perfect. 【Visual Signal】- The receiver’s circular LED light flashes, making this an ideal set-up for those who are hearing impaired and the seniors.Lighted buttons help visitors locate the doorbell at night and lets you know if your doorbell is working. 【Easy Installation】- Easy-to-install with all the accessories needed, broadly ideal for home, office, hotel, dormitory, factory etc. And does not interfere with other equipment in your home or those of your neighbors. Specification: Scope of application: 300 meters Type: wireless doorbell Package: Wireless waterproof doorbell*1 (battery not included) Note: 1.Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2.Please allow slight dimension difference due to different manual measurement.