... an age defying facial. 1. Red Light at 640 nm:Increases collagen production fivefold in the skin, triggering repair ... in proper sequence, it can accelerate metabolism effectively.7. Laser light: Penetrate deep layer of skin, accelerate active tissue ... 24KGVoltage : AC110 V/ AC220 VLight color : Red, yellow, green, blue, purple, orange,laserWave-length : 200~900nmFrequency : 1~30HZOur products have ...