* Compatible Model and SIM Guide: 70mai Dash Cam A510, X800, A810, T800. The 4G hardwire kit UP05 supports the 4G service only in the United States. Compatible with AT&T SIM card only (The AT&T SIM card is not included and must be purchased separately.),【24-hour Smart Parking Monitoring for Dash Cam】 Equipped with built-in G-sensor, 70mai dash cam detects sudden vibrations or collisions when your car is stationary, and automatically starts recording to capture any potential events. If a collision detection video is triggered, the activity detection video can be remotely uploaded to the cloud via UP05 for viewing,【4G Support, Real-Time Monitoring and Remote View】Check in on your car while you're away with 70mai Dash Cam's 4G hardwire kit, which allows you to operate your Dash Cam remotely and see what's going on inside and outside of your car,【Instant App Alert】With the assistance of the 4G Hardwire Kit, 70mai Dash Cam's parking surveillance system will be able to notify you via the App at the first sign of a suspicious event or collision,【Installation Guide:】Connect the red wire to a 12V-30V-rated constant power source fuse (test with a multimeter), the yellow wire to an ACC fuse slot for 24/7 monitoring, and the black wire to any metal part in the car. Route the cables along the headliner using trim tools for a seamless setup. Note: Before installation and wiring, ensure the car engine and power supply are turned off to prevent short circuits.