Features:
Basic Functions: the distance meter including functions of measurement, Max./Min. measurement, continuous measurement, area//pythagoras measurement, addition and subtraction.
Historical Data Storage: can store to 20 groups of the measured value for further analysis and reference.
Measurement Reference Switching: the default setting is rear measurement, you can change it to the front measurement reference.
Measurement Units: easy to switch among m(default), ft, in.
Low Consumption: powered by 2pcs 1.5V AAA , with indicator. instrument automatic switch off, and 30s auto-off, both are saving.

Specifications:
Measuring : 40M / 60M / 80M / 100M (Optional)
Material: ABS
Measuring Accuracy(standard deviation): ±2.0mm
Measuring Unit: m, ft, in
Area Unit: m2, ft2
Type: 620~690nm
Class: Class II, <1mW
Measurement : 0.25s
Historical Data Record: 20 groups
Auto off: 30s
Instrument Auto off:
Operating : 0~40℃
Storage : -20~65℃
: 2 * 1.5V AAA (NOT included)
Item Size: 118 * 50 * 26mm / 4.65 * 1.97 * 1.02in
Item Weight: 77g / 2.72oz
Package Weight: 141g / 5.01oz
Package Size: 16.5 * 11.5 * 4.2cm / 6.50 * 4.53 * 1.65in

Packing List:
1 * Distance Meter
1 * Lanyard
1 * Manual (English)