Specification:
Item Type: Intercom Doorbell System
Material: ABS
Outdoor Doorbell Power Supply Method: 3 x AA Batteries (Not Included)
Indoor Doorbell Power Supply Method: 1 x BL 4C 890mAh Lithium Ion Battery (Built In)
Working Temperature: -20 to +55
Wireless Distance: 200M for Outdoor Doorbell (Unobstructed), 5-50M for Indoor Doorbell (Obstructed)
Wireless Frequency: 410M-490MHz
Features:
1[Wireless Intercom System] This intercom doorbell kit includes one outdoor unit and two indoor units, allowing for intercom communication. The indoor units can also communicate with each other. 2[Multi Functional] With 15 selectable ringtone options and three adjustable volume levels, you can choose the perfect ringtone and volume to suit your preferences and needs. 3[Extended Transmission Range] The wireless transmission distance can achieve up to 200 meters in an open area, and 5 to 50 meters with obstacles, ensuring reliable communication. 4[Expandable Intercom System] This intercom doorbell system is expandable, allowing you to add additional indoor or outdoor units to your system, compatible with almost any indoor or outdoor installation. 5[Intelligent Power Saving] Equipped with intelligent power saving chip, this 2 way voice doorbell offers exceptional battery life. After a full charge, it can be used for over six months under normal usage.
Package List:
1 x Outdoor Doorbell
2 x Indoor Doorbell
3 x Double Sided Adhesive Tape
2 x Base
2 x Charging Cable
1 x Screwdriver
1 x Instructions
