ขาย Gf21 อุปกรณ์แทรคเกอร์ Gps ขนาดมินิควบคุมด้วยเสียงสําหรับติดรถยนต์ ราคาที่ดีที่สุด

Specifications: Item Type: GPS Locator Model Number: GF-21 Material: Plastic Size: 43*26*13.5（mm） Color: Black Charging Input: 5V Communication frequency: 850/900/1800/1900MHz Positioning mode: WIFI+LBS+GPS Platform view: SMS+APP+computer Working Temperature: -20-85°C/-4-185° Features: Remote pickup, remote recording, voice-activated callback, voice-activated recording, high-definition silicon microphone WIFI+LBS+AGPS positioning. Real-time tracking, historical track, vibration burglar alarm, electronic fence, built-in strong magnetic, multiple power-saving modes, low-power alarm , remote switch machine. SOS Call for Rescue: In case of emergency, press the SOS key, that is, to send a call and information to the guardian for help. Device Loss Can be found by Mobile App. Two-way Call: Address Book Number Calls with Users. Class anti-interference mode: set the non-interference time range through the guardian's mobile phone APP, and shield the incoming calls from the equipment. Remote monitoring: a highly sensitive microphone that monitors the surrounding sound in real time in case of an emergency. Device shutdown and restart function can be realized by guardian's mobile phone APP. Intelligent Power Saving: Turn off/turn on GPS and data upload in time. Mobile client/micro-messenger/computer service platform, multi-control mode.