400M/1300ft Wireless Range: This wireless doorbells boasts a remote connection of up to 400M/1300ft which ensures that you never miss a visitor or delivery even if you are in a big house with several rooms. Whether upstairs or basement. Our door bell chime kit is suitable for homes, villa, apartment, office, classroom, hotel, factory, hospital and more Loud Enough with 60 Ringtone: The cordless doorbell features 5 adjustable volume levels (0db to 115db) and mute mode to suit your needs, hear your visitor in any situation. 60 different ringtone options IP65 Waterproof & Durable: IP65 waterproof doorbell can withstand the harshest weather (-4 °F to 140 °F), regardless of scorching heat, heavy rain, or snowstorms. With its ultra-low power consumption CR2032 lithium battery, TECKNET wireless doorbell has a lifespan of up to 4.5 years, no need to worry about frequent battery replacement Remember Your Selection: Memory function makes the plug in doorbell remember the last ringtone and volume level you selected, so there's no need to reset it even after a power outage Blue LED Indicator: The blue LED ring provides effective visual reminders for the door bells wireless cordless, complementing the chosen melody even in noisy environments. It can also help alert individuals with hearing impairede person to notice the wireless doorbell. It can also be used as a silent reminder during nap time or when the baby is sleeping by setting it to mute mode Easy to install: Our wall plug in doorbell comes pre-linked. Easily plug the doorbell receiver into an electrical outlet (no batteries required for main receiver). Push button can be fixed to the doorframe with screws, or double-sided adhesive tapes. Support available for 36 months (Registered Only), Weight: 0.25 pounds, Manufacturer: TECKNET