My friend has a double adapter for the car's cigarette lighter.

• Easy installation, operates directly from the car's cigarette lighter. • Mirror with front and rear recording cameras in one product. • 4.3-inch high-resolution screen clearly displays video. • 270-degree viewing angle covers a wide area of the road. • Records when powered through the car's cigarette lighter, and also runs on battery when the car is off. • Supports memory cards up to 32GB for storing recordings. • Built-in G-sensor automatically saves recordings during accidents. • Hidden recording without screen illumination for privacy. • Displays time and date on screen during operation. • Multiple video viewing modes according to your needs. • Easy installation, operates directly from the car's cigarette lighter. • Mirror with front and rear recording cameras in one product. • 4.3-inch high-resolution screen clearly displays video. • 270-degree viewing angle covers a wide area of the road. • Records when powered through the car's cigarette lighter, and also runs on battery when the car is off. • Supports memory cards up to 32GB for storing recordings. • Built-in G-sensor automatically saves recordings during accidents. • Hidden recording without screen illumination for privacy. • Displays time and date on screen during operation. • Multiple video viewing modes according to your needs. • • Brand name: Generic. • Warranty period: 14 days. • Warranty provider: Dozen. • Color: Black. • Weight: 530 grams. • Dimensions: 33.5 × 12.3 × 5.9 cm. • Material: Durable plastic. • Installation method: Mounts on the car mirror with connection to the rear camera. • Input: Supports TF memory card up to 32GB. • Storage capacity: Depends on the memory card used. • Power: DC 5V 1.5A. • Voltage: 12 ~ 14V. • Amperage: 2A. • Model: AM067EU. • Button type: Touch. • Country of origin: China. • Package contents: • 1 x Mirror screen with built-in front camera. • 1 x Rear camera. • 1 x Rear camera connection cable. • 1 x Car charger. • 1 x USB cable. • 1 x 32GB memory card. • 1 x User manual.