... 3.Largely used in small size fast UV LED curing Rechargeable uv light pen for curing uv glue 365nm Overview:1 ... efficiency and environmental friendly.4 Long use life (20000+hours),rechargeable battery power supply, tens of UV light spot size choice ... ,8mm10mm,12mm,16mmLinear curing area:15*3mm,20*5mmPower supply Rechargeable L-ion battery 1pcsRun time Over 3 hoursOutline dimensionsLength:130mmDiameter ...