Hitachi R18DSLP4 Cordless Handheld Vacuum Translucent dust hatch offers clear visibility of dust picked up and alerts user when cleaning is needed Lock-on slide switch provides comfortable continuous use without holding the trigger High-capacity container holds up to 22 oz. of dust and debris Super lightweight design for maximum control and comfort during use Accepts all Hitachi slide type lithium-ion batteries. Recommended battery - #330067 (18V, 3.0 Ah)