1. Operating voltage: 4.2V
2. Operating current: A3: 1.04A; A4: 0.94A
3. Interface: Type-C
4. Color temperature: 3000-6500K
5. Battery capacity: 3500mAh
6. Charging time: about 3.5h
7. Battery life: about 4.5-5h
8. Input: 5V 2A
9. Size: A3 about 34.8 x 25.9 x 0.8cm, A4 about 41.4 x 31 x 0.8cm

Features:
1. Slim and portable, easy to carry on the go
2. 3500mAh large battery, long life, can work continuously for 5 hours
3. 3 color temperature options, warm yellow/warm white/white light
4. 6-speed / infinitely dimmable, a variety of dimming methods, short press the gear to adjust the brightness, long press the infinitely adjustable
5. Adopt high quality light guide plate, clearer topography, high light transmission, high brightness
6. Universal Type-C interface, compatible with most of the devices, more stable performance, more convenient to use the painting