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.
LTE Cat M1/NB1 and GSM network WIFI Location can be used in indoor usage Tamper Alarm, illegal Opening Alarm Support aviation flight mode TCP, USSD protocols Update by SMS or network Support BLE
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
