The liquid BLUFIXX gel lasts 5 years in the cartridge after opening only cures with the LED is correctable & modelable is solvent-free available in 6 colors The blue light LED is harmless* Wavelength: 405 nm Batteries: replaceable, 4x LR41 (AG3) Maximum distance for perfect curing: 2 cm Service life: Ø 100 applications The cured BLUFIXX gel is rock hard & water resistant holds optimally at a temperature between -40°C and +140°C is extremely resilient and only breaks at a load of 53kg / cm² * Wash off if skin comes into contact with product. Do not use if allergic to acrylates. Do you want more technical details? Click here for the comprehensive information sheet! BLUFIXX for METAL GLASS STONE is perfect for: Metals and metal alloys such as aluminum, steel, Brass, stainless steel, galvanized materials, copper, iron Glass , crystal glass, Stone , Porcelain, Ceramic, Marble, Earthenware scope of delivery BLUFIXX repair pen for metal/glass/stone – set clear 5g Included in the set holder cartridge LED