Tough, rubber-housed tool with 5 independent bright laser dots and automatic 'out-of-level' detection. Supplied in a carry case. Specifications: Class II laser. Range 30m. Levelling accuracy ±6mm at 30m. Self-levelling tolerance ±5?. Includes layout accessories. Requires 3 x AA Alkaline batteries (not included) (Quote 85426). Size, 257 x 195 x 123mm.