Product Name: Canary Bird Soud Doorbell Best Selling Model NO.: CT-3 Power Source: Plug Waterproof: Not Waterproof Brand: Longriver Application Scope: Home Wireless: Wired Style: One to One Type: Decorative Doorbell OEM: Ok Trademark: Longriver Transport Package: Color Box Specification: ABS Origin: China HS Code: 85318090 Product Description Canary Sound doorbellAC 110v/220VGood soundQuality reliable, the bell can be used more than 5years.We have been exported to more than 20 countries.Any design and voice can OEM.Hefei Long River Electrical Co.,Ltd.Tel:+86 13956994028www.anhuibell.com