1. Product material: CRYSTA 2. Light color: 3000K heat white light+600K effective white light+4100K pure light, lengthy press endless dimming 3. Light parameters: Ra>95 2835 3V/0 4. Control program: anti-overcharge and over-discharge, over-temperature protection, anti-surge recent and static electrical energy (fast charging adapter is allowed, Apple immediate charging is not compatible) 5. PWM frequency: 30KHZ, no video flash 6. Input voltage: DC5V 1A 1800mAh charging for 2 hours 7. Battery capacity: Class A cellular 18650 1800mAh common configuration KC/CE certification 8. Product size: D86 * H175mm 9. Product traditional configuration: lamp × 1. Charging line × one 10 Packaging parameters: 15 * 15 * 30cm 0 pearl cotton whole equipment 11. Control mode: contact the tricolor dimmer and press to regulate the brightness 12. Net weight of product: aluminum zero