... Dia: 3,4,5,6,7,8,9,10,15,20mm Mini portable UV led LED UV spot curingLED UV torchDia: 3 ... ,4,5,6,7,8,9,10,15,20mmMini Torch LED ... spot light: 2/3/4/5/6/7/8/10/15/20mmWork time: 4.5Hours on batteryOne set: Lens, Battery,Charger ... , Controller, UV glassesMax of product dia: 26mmTotal length: 130mmWeigth: 160g Mini torch style LED uv curing torch