The Stanley Intelli Tools TLM 165 True Laser Measure can measure length, area and volume up to 50m. It also features a handy addition/subtraction calculator. The back lit, 2 line display provides visibility in all working conditions and will store the last 5 measurements taken for reference.
Operating Range: 0.1-50m.
Power Supply: 2 x AAA Batteries (Included).
Operating Temperature: 0-40°C.