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. 【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.