Wireless handset audio door phone built-in recharge lithium battery 1000 meters long wireless intercom distance
main functions:
9999 handsets extendable
intercom distance: 1000meters at open area with 433mhz
20db transmit, 100db sensitive
built-in recharge battery: lithium battery 1200mah
working power: 70ma
standby time: 45days full charge time: 5hours
placement method: hang on wall or put on table
38 melodies, three level volume adjust
support multi home door phone office /hotel wireless door interco
feature
1.One system supports 100 pcs : 00 ~ 99
2 floor transmission distance: 1 to 8 layers
3. Horizontal through the wall distance: 80 meters
4 open transmission distance: 1km
battery capacity: 1500ma
6. Charging current: 300ma, need to charge 5h
7. Standby current: 3ma, the longest standby time up to 500h
8. Maximums operating current: