China Outdoor Vadal-Proof Emergency Phone Police Phone Patrol Box Emergency Call Box Help Phone, Find details and Price about China Auto-Dial Phone, Mining Telephone from Outdoor Vadal-Proof Emergency Phone Police Phone Patrol Box Emergency Call Box Help 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 | IP65-IP67 |
Casing Material | vandal proof aluminium body |