China J&R Emergency Phone Vandal Resistant Phone Handfree Elevator Telephone, Find details about China Emergency Telephone, Emergency Phone from J&R Emergency Phone Vandal Resistant Phone Handfree Elevator Telephone
Temperature | Operating: -30°C to +65°C Storing: -40°C to +75°C |
Network Feature | WAN/LAN: support Bridge mode. Support PPPoE for xDSL support VLAN Support Stun penetration |
Adapter(Input/Output) | Input:100-240VAC 50~60Hz Output:5V/1A |
Power Consumption | Idle:1.5W/Active:1.8W |
Ringing Tone | Shrill warble tone 80 dBA @ 1 metre typical |
M.T.B.F. | excess of 50,000 hours using |