Operating temperature range From -20° to 55°C (from -4° to 131°F)
Charging temperature range From 0° to 45°C (from 32° to 113°F)
Radio frequency/protocol 2.4 GHz @ 15 dBm
Power input Vehicle power using the included vehicle power cable. AC power using an optional accessory (for home and office use only).
Battery type Rechargeable lithium-ion
Compass-safe distance 30.5 cm (12 in.)