TL904B built-in light sensor, is a 4G advanced tracking device for luggage. It has half an year usage time, and it supports aviation flight mode. This is the best companion for travel or business trip.
General Specifications: Dimensions : 126mm(L) x 62mm(W) x 11mm(H) Weight : 100g Backup Battery : capacity 2500Mah Working Voltage: DC 3.7V Water Resistance: IP64 compliant Working Temperature: -20℃～＋60℃ Temperature and humidity sensor: -40℃～＋85℃
Air Interface Protocol: Transmit Protocol: TCP, USSD Report: It's in sleep mode by default, and will report position and status when Bluetooth is disconnected Low Power Alarm, Light alarm Geo-fence function：Support at least 5 electronic fences Special function: Anti-demolition alarm, remote restart, , support check current location information by SMS Support anti-illegal shutdown, tracking mode and aviation flight mode Support Report by BLE Breakpoint position report Historical route for 30 days
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