WIFI Smart Doorbell Intelligent Door Alarm for TUYA Home Company Security ProtectionUS Plug 110V

Feature: 1. This for TUYA doorbell is made of high quality ABS material and has a long service life. 2. It supports the reminder that the doors and windows are not closed, so you don"t have to worry about forgetting to close the doors and windows. 3. Support opening and closing prompts and WIFI smart cloud service online, you can protect your home anytime, anywhere 4. The doorbell can be used as a smart alarm when used with door sensor and infrared. 5. The built in battery can avoid the sudden power failure and lose the doorbell function, and the battery life is up to 5 hours. Specification: Item Type: Smart Doorbell Alarm Material: ABS Use: Residential, Company Battery: Door Machine: 3.7V Lithium Battery 300mah (Built-in Battery) Outside Machine: 3V CR2032 x 1 80mah (Built-in Battery) Frequency: 433mhz WIFI: IEEE802.11b/g/n Ringtones: 58 Volume: 85dBA Working Temperature: -10-55 celsius . Package List: 1 x Door Machine1 x Outside Machine1 x Manual1 x Sticker1 x Prompt Label Sticker