TECKNET Longest 1300 Feet Wireless Doorbell with RGB Alarm Lighting,Battery-Powered IP66 Waterproof Design,60+Chimes & 5-Level Volume for Home/Apartment,4.5-Year Battery Life,White,FCC ID:YI6RL-33TX

Portable Design & Versatile Use: No WiFi or power sockets needed. Use receiver on a tabletop or in your bag as a pager. Never miss visitors from cellar, garage, or garden. 36-Month Long Battery Life: Sleep mode saves power; press any button to wake. Receiver runs up to 36 months on 3 AA batteries (not included). Fewer replacements. RGB Light Indicator Cordless Doorbell: RGB light flashes when transmitter activates. 110dB volume alerts hearing-impaired users. Mute sound and rely on visual notification. 60 Melodies, 5 Volume Levels & Memory Function: Choose from 60 melodies, 0-110dB volume, plus silent mode. Memory recalls last settings even after power outage. 1300ft Cordless Range: Up to 1300ft open-air range without interference. Stable signal ensures you never miss a visitor. Transmitter includes batteries; receiver requires 3 AA. IP66 Waterproof & Dustproof: IP66 rated to withstand extreme weather. Operates from -4°F to 140°F. Reliable in wet conditions and diverse climates. Lifetime Support: 36-month warranty upon registration. Contact professional customer service for any product issues.