Specification:
Item Type: Wireless Voice Intercom Doorbell
Material: ABS
Battery:
Internal Machine: 1 x Rechargeable lithium battery 3.7V 890mAh(built in)
External Machine: 3 x 1.5V AA battery(not include)
Application: Widely used in home, office, laboratory environment, medical and so on
Basic Parameters:
Radio Frequency: Approx. 410M - 490M
How to Use:
Installbatteryanduse.
Package List:
1 x Internal Machine
1 x External Machine
1 x USB Cable
1 x Screwdriver
1 x User Manual
Item Type: Wireless Voice Intercom Doorbell
Material: ABS
Battery:
Internal Machine: 1 x Rechargeable lithium battery 3.7V 890mAh(built in)
External Machine: 3 x 1.5V AA battery(not include)
Application: Widely used in home, office, laboratory environment, medical and so on
Basic Parameters:
Radio Frequency: Approx. 410M - 490M
How to Use:
Installbatteryanduse.
Package List:
1 x Internal Machine
1 x External Machine
1 x USB Cable
1 x Screwdriver
1 x User Manual
