- Wired ding dong bell - aesthetic design -Compatiable with Advent wired bell push button, bell push button is an optional accessory. - Pleasant ding-dong sound, it won't disturb your pets, kids or neighbours - Easy surface mount, the mechanical door bell chime is very easy to assemble, and the package include user manual for user's reference, 2pcs assemble screws and anchors for users to assemble the product. - Easy wire connetion, just connect the wires per the arrows and instruction we provided. - Good ABS material, durable for long-time usiing. - Snap-on cover, Easy to install the cover, just place the cover over the chime, and push to snap into place. - one year warranty, we provide one year warranty for all our products. - 4 options power supply of this door bell wired ring chime: 1) 220V AC direct connecton 2) 8/12V DC external transformer (not supplied) 3) 1*9V battery operated (must use Alkaline) 4) Butilt -in Transformer. Product Name Ding Dong Wired dDorbe…