Kit includes: (1) Indenti-Spy Invisible Ink Marker (1) Indenti-Spy Invisible Ink Dauber (1) 9 Led Uv Light. Requires 3 AAA Batteries Not Included

IDENTI-SPY Dauber & Marker: Clear invisible liquid. Both refillable and great for marking non porous surfaces that easily wipes off with general cleaning products. Works best on porcelain tile, tubs, toilets, stainless steel tables, and other non porous surfaces. Test prior to using for inspections for suitability. Can stain porous surfaces. Can also invisibly mark paper products as an anti theft tool. Water based product. Seen only with (UV) light. Not permanent on hard non porous surfaces.