GPS/Beidou satellite timing Car clock Automatic Synchronization Time Display LED Electronic Digital clock 12/24 Hours USB 5V 12V

BeiDou/GPS Satellite Synchronized Car Clock /no need to adjust the time, power-off memory, automatic brightnessAuto-Calibrating Vehicle Timekeeper with Smart Light Controlnotice :Before purchasing, please refer to our advertising video to set the time zone EEGPS signal is necessary for time synchronizationKey Selling Points🛰️ Dual-mode GNSS (GPS & BeiDou) synchronization - Maintains atomic clock accuracy (±0.01s) through satellite time signals🌞 Adaptive Brightness System - 5-level auto-dimming (0.1-3000cd/m²) with ambient light sensing🔋 Power-off Memory Function - Retains settings for 10+ years without external power🌍 Global Time Zone Coverage - Supports UTC-12 to UTC+14 adjustment (1-hour increments)⏲️ 12/24H Format Switching - Meets MIL-STD-810G military timekeeping standardsTechnical SpecificationsParameterValuePower SupplyDC 5-15V Input (Direct 12V vehicle connection available by modifying USB plug)Current Consumption≤80mA (@12V)Display TypeHigh-contrast LED matrix (128×64 pixels)Operating Temperature-30℃ ~ +85℃GNSS Sensitivity-165dBm tracking / -160dBm acquisitionComplianceISO 16750-2 road vehicle standardSmart Feature Configuration Guide1. Auto-Brightness SetupStep 1 Long-press rear button → Display shows [AL:1]Step 2 Short-press to toggle:[AL:1] = Enabled (Default)[AL:0] = Disabled2. Manual Brightness AdjustmentPrerequisite AL:0 (Auto-brightness OFF)Step 1 Long-press → [LL:x] (x=1-5, 5=max brightness)Step 2 Short-press to select level3. Time Zone ConfigurationStep 1 Long-press → [EE:8] (Beijing Time UTC+8)Step 2 Short-press to adjust:Overseas use: UTC-12 to UTC+14Domestic: Keep [EE:8]4. Time Format SelectionStep 1 Long-press → [FF:24]Step 2 Short-press to toggle:[FF:24] = 24-hour format (Military/Industrial)[FF:12] = 12-hour format (Civilian)5. System Save & ExitLong-press at any setting stage to saveAuto-exit after 30s inactivity