Car Alarm with 5 to 95% Relative Humidity and Internal Active GPS Antenna wholesale china

Plug-and-play without installing any software
Use latest high-sensitivity GPS technology which is 100% legal
Alert alarm will be on when detect a speed camera ahead within 300 to 500 meters
The alarm will be closed automatically when speed is lower than 30km/h
Beep signal will be on when the battery life is low
Includes the widest range of speed cameras covering fixed speed cameras in the North American and most EU countries
Equipped with 20 parallel channels GPS receiver: -159dB
Acquisition time:
Hot typically: <2sec time to first fix (TTFF)
Warm typically: <35sec (TTFF)
Cold typically: <45sec (TTFF)
Positioning accuracy: Less than 15 meters
Power supply:
Standard: 3.6V DC lithium ion battery
Internal active GPS antenna
With battery alone: 10 to 12hrs after fully charged
Operating temperature: -30 to +7049840 C
Storage temperature: -40 to +8549840 C
Relative humidity: 5 to 95%, non-condensing
Device size: 51 x 90 x 31mm
Weight: 60g