Specification: Item Type: Voice Intercom Model: H8 Material: ABS Single Intercom Power Supply Battery: 1 Lithium Ion Battery 2000mAh Built In Carry Use: Widely in homes, offices, laboratory environments, , etc. Basic Parameters: Operating Temperature: Approx. -20 degrees Celsius ...Specification: Item Type: Voice Intercom Model: H8 Material: ABS Single Intercom Power Supply Battery: 1 Lithium Ion Battery 2000mAh Built In Carry Use: Widely in homes, offices, laboratory environments, , etc.
Basic Parameters: Operating Temperature: Approx. -20 degrees Celsius -55 degrees Celsius / -4-131°F Transmission Distance: 1000m In The Empty Space; 20~50m Across The Wall Working Frequency: 410M - 490M Sound Adjustment: Three Gears Adjustable Package List: 2 x Intercom 2 x Charging Base 2 x Charging Cable Random Color 1 x Manual Smart Doorbells Electronics