... warranty we are a professional supplier of resistive , capacitive ,SAW ,and IR touch screen. Brand: 3M, ELO, GUNZE, FUJISTU ,WINTOUCH. 1 quality control ... <95%Isolation Resistance20MΩ↑@ DC25VSealable againstdust,water,oil,static ELO 15inch 5-wire resistive touch screen panel (SCN-AT-FLT15.0-R4H-OH1-R)