http://www.tradus.com/cordless-door-bel ... m=ibiboads Use Coupon: Tradus100 Description - Wireless Doorbell is completely wireless and installs in minutes. Simple, vivid and no-wire installation design Wireless Doorbell avoid troubles. Built-in anti-interference design Wireless Doorbell, avoid the interference between users. Wireless Door Bell suitable for home, Office and high floor houses. Features: Wireless signal receiving and sending. Remote control range Up to 30 meters. IC coded. Multi - Music Sound. Built in anti-interference design, avoid interference between users. Low power consumption. Place it anywhere at your will. Easy to install, with double-side stickers at the back of the switch button. Built in double Speakers , Make sound Clear , especially suitable for homes, offices, factories, hotels etc. Preprogrammed 16 songs and automatically changing per press on the switch button Elegant Design. Comes with 23A 12V Battery Cell for the switch Button, you just need to put 1.5V AA batteries (Pencil Cells) in it Separately.
I have purchased this same item from ebay. In fact 7-8 pcs by now. Quality is decent enough of this brand
