Wireless Wifi Smart Video Doorbell Indoor Intercom Door Bell Receiver for Home Security 433MHz

Feature: 1. 52 Polyphonic Ringtones: This doorbell provides 52 polyphonic ringstones that you can choose freely, with 4 level optional volume adjustment. 2. Remote Connection: This wireless doorbell features a remote connection that won"t interfere with other devices in your home. 3. Easy Operation: Install it on any regular household socket is ok, do remember to tear up the metal strip protective film before using. 4. Low Power Consumption: With ultra low power design, this doorbell is power saving and provides long lasting use. 5. Weather Resistance: This doorbell can be used even in harsh weather conditions such as direct sunlight and frost, and can be installed indoors, outside door frames or anywhere in the garden. Specification: Item Type: Smart Doorbell Material: ABS Operating Frequency: 433 MHz Output Power: 0.15W Sensitivity: -112dbm. Package List: 1 x Smart Doorbell1 x Manual