Simple, reliable and hassle-free, the Honeywell Home(TM) RDWL415A doorbell can notify you to visitors or package deliveries from anywhere in your home, even from your backyard! Its robust signal with 250-ft (137 m) wireless range is combined with a weather-resistant casing, and portable or wall-mount installation possibilities. Featuring high-quality sound, the doorbell volume is adjustable up to 84 dB. If the chime can't be heard, halo and LED light notifications pull double duty, or give the system a night off with sleep and mute modes to stay disturbance-free. Choose from 6 unique tunes and 7 custom light colours. Mute and sleep modes silence notifications can be set for 3, 6, 9 or 12 hours, or permanently. Connect up to 4 devices simultaneously, including additional push buttons or motion sensors.