WiFi Smart Doorbell and Alarm Transmitter and Receiver with Plug-in Chime 58 Melodies 5 Volume Levels Mute Mode

When a visitor presses the smart doorbell, the sound is activated and the plug-in chime will ring to remind you. It has 58 melodies and 5 volume levels for selection. It's also a wifi wireless security receiver supporting connection up to 100 wireless sensors and 10 remote tags via the wireless protocol. Smart doorbell provides home security for you, bringing you safety and convenience!

Features:
Wireless doorbell (transmitter) and plug-in chime (receiver), easy to install and use. Compatible with 'Smart life' APP, easy to be controlled via 2.4GHz wifi connection.
With 58 melodies and 5 volume levels (include mute) to meet diverse requirements, and colorful indicator light ring to present different status.
It can be expanded with multiple receivers and be set the independent ring tines for each transmitter, and remembers your last-set melody and volume level after a power outage.
The transmitter uses a CR2032 lithium battery which has long lifespan. The backup battery built in the receiver provides power operation for up tp 5 hours if the building has lost electrical power.
It's also a wifi wireless security receiver supporting connection with door/ window sensor, human infrared sensor and more via the wireless protocol. If any problem occurs, a door or window opens and closes or somebody is visiting, you will be notified immediately.

Specifications:
Plug: US/ EU/ UK (Optional)
Color: White
Material: Plastic
Frequency: 433MHz
Operation Temperature: -10℃~55℃
Package Size: 11.5 * 8 * 5.2cm / 4.53 * 3.15 * 2.05in
Package Weight: 139g / 4.89oz
--Doorbell (Transmitter)
Built-in Battery: 3V CR2032
Standby Current: ＜5μA
Transmitting Distance: ＜80m (without obstacles and no interference)
Doorbell Size: 68 * 42 * 16mm / 2.68 * 1.65 * 0.63in
Doorbell: 27g / 0.95oz
--Chime (Receiver)
Power Supply: AC 110V
Built-in Battery: 3.7V 300mAh Lithium Battery
Consumption: ＜100mA
Wi-Fi: IEEE802.11b/g/n
Selectable Melodies: 58
Volume Levels: 5 (includes mute)
Sound Level: 85dB
Expandable: up to 100 doorbells/ sensors and 10 remote tags
Chime Size: 90 * 66 * 21mm / 3.54 * 2.60 * 0.83in
Chime Weight: 77g / 2.71oz

Package List:
1 * Doorbell (Transmitter)
1 * Plug-in Chime (Receiver)
1 * Double-sided Adhesive Tape
1 * User Manual (English)