RF-V50 IP67 Waterproof 4G LTE 3G 2G GSM Elderly SOS Button Emergency Alarm GPS Tracker(Black) Cheerlux Frequency range: 1000Hz/1Hz

Frequency range: 1000Hz/1Hz

Working time: 6h

Product material: wear-resistant rubber + PP composite material + brush

Irradiation area : 3-5 square meters

RF-V50 IP67 Waterproof 4G LTE 3G 2G GSM Elderly SOS Button Emergency Alarm GPS Tracker(Black) Cheerlux Frequency range: 1000Hz/1HzFeatures: 1. Real time positioning: query position information and adjust positioning interval, and navigate to find personnel. 2. Historical track: View the movement track of any day within 90 days 3. Fence: GPS fence: Compare the GPS positioning data and judge whether there is an alarm for entering or leaving the fence. WIFI fence: Compare the WIFI hotspots and judge whether there is an alarm in or out of the fence. 4. Health: Calculate the amount