... Model No. Available Date-Expired Date CE Certificate Shenzhen Best Technology Co., Ltd. BT0701290716 Car Alarm System, VT-200, VT-200W, VT ... /01/31 --- 2049/12/31 CE Certificate Shenzhen Best Technology Co., Ltd. BT0706181162 Keyless Entry and Central Locking System, VT-500, ... /06/23 --- 2049/12/31 CE Certificate Shenzhen Best Technology Co., Ltd. BT0701290715 Parking Sensor System, VT-400, VT-400C4, ...