Wireless, Built-in Night Light & 200m Range – This Wire-free door chime plugs into any 13A socket around your home and has a built-in night light with dusk to dawn sensor. The night light will automatically operate when it’s dark and can be turned off if required. No wiring needed, for easy installation. With a reliable signal range of 200m, you can plug this door chime in anywhere around your home, so you’ll never miss a visitor again. Compatible with all other Wireless + Uni-Com door chimes. Flashing LED Alert - The flashing white light indicator ensures you’re alerted visually when the doorbell is pressed. This is ideal for noisy environments and for those with hearing impairments. 30 Different Melodies & Powerful Sound Output with Volume Control - This door chime has a powerful 90dB(A) sound output with volume control and 30 different melodies to choose from, ensuring you always hear when someone is at your door, no matter where you are around your home. Multiple operating modes - You can easily select from 3 operating modes - Chime sound only, flashing blue LED alert only, or both sound and light together, so you can set your door chime to operate exactly as you want it to. Water Resistant & Reliable – The bell push with blue LED indicator and nameplate is IP44 water resistant rated, providing better protection from rainfall and splashing water. It is powered by 1 x CR2032 button cell battery (supplied) reducing the frequency of battery replacement., Manufacturer: Uni-Com