AVANTEK DB-21 Waterproof Wireless Doorbell Operating at Over 1300 ...

AVANTEK DB-21 Waterproof Wireless Doorbell Operating at Over 1300 Feet, 2 Remote Buttons Can Have Different Tones, 52 Melodies, CD Quality Sound and LED Flash

• EASY TO SET UP: 2 transmitters included; can add more AVANTEK RB-1 receivers for increased coverage; simply fix the transmitter on the wall without any wiring; includes 4 screws, 4 anchors, 1 key and 2 double-sided adhesive pads
• 400 M/1,312 FT ULTRA LONG WIRELESS RANGE: Will not interfere with other equipment in your home or those of your neighbors; ensures you will never miss a visitor, even if you are a few rooms away or on another floor
• TAILOR YOUR TRANSMITTER: 40 mm stereo speaker delivers rich and crisp sound; 52 melodies and 5 adjustable volume levels with a maximum setting of 115 dB; set a different ring tone for each transmitter so that you know exactly which doorbell has been rung
• HIGH PERFORMANCE: The transmitter has ultra-low power consumption; uses CR2032 lithium battery that boasts 3-year maximum lifespan; IP55 dustproof and waterproof rating; works between -4 °F to 140 °F; withstands various harsh weather conditions
• MEMORY FUNCTION: Remembers your last melody and volume level after a power outage; no need to reset to your previous settings; convenient and easy-to-use design for an enhanced user experience