Universal Replacement Remote Control Fit For Dell 1210S TSHT-IR01 4350 M115HD M900HD M110 1220 1450 1850 4320 1609WX M210X 4210X 1209S 4320X 1100MP 1800MP 7609WU DLP Projector No programming required No battery and instructions included Power,MENU,Arrows Keys,Enter and Source buttons are available Universal replacement remote for listed models Battery type is CR2025