China Stainless Steel Emergency Telephone Lift Phone VoIP Handsfree Entry Phone, Find details about China Intercom, Door Phone from Stainless Steel Emergency Telephone Lift Phone VoIP Handsfree Entry Phone
Telephone Versions | Analog,SIP,GSM,3G optional |
Operating Temperature | -30°C to +65°C |
Storing Temperature | -40°C to +75°C |
Ringing Tone | 80 dB @ 1 meter typical |
M.T.B.F. | excess of 50,000 hours using |
Power Supply | telephone line or DC or solar powered |
Weather Resistance | IP54-IP65 |
Casing Material | vandal proof steel body |