Description : <br>CEM LDM-70 Laser Distance Meter Laser Rangefinder Measure 0.05 to 70m<br>BrandName : CEMModelNumber : LDM-70Size : 115mm x 48mm x 28mmMeasurementAccuracy : 1.5mmMeasurementRange : 0.05~70m<br>This professional Laser Distance Meters are designed to give special users a high accuracy， one person distance measuring and estimating tool to measure remote and difficult reaching places.The compact and handy base model was specifically designed for indoor applications. Shortcut keys for addition， subtraction， Pythagoras， area and volume calculation make measuring fast and very reliable.<br> Specification :   <br>                               LDM-40               LDM-100               LDM-70                   Measuring Range               0.05to 40m(0.15ft to 131ft)               0.05 to 50m(0.15ft to 190ft)               0.05 to 70m(0.15ft to 230ft)                   Measuring accuracy(2&amp;sigma;)               Typically: &amp;plusmn;1.5mm(&amp;plusmn;0.06in)               Typically: &amp;plusmn;1.5 mm(&amp;plusmn; 0.06 in)               Typically: &amp;plusmn;1.5 mm(&amp;plusmn; 0.06 in)                   Smallest unit displayed               1mm               1mm               1mm                   Measuring units               m，in，ft               m，in，ft               m，in，ft                   Measuring units               Class II 635 nm， &amp;lt; 1mW               Class II 635nm，&amp;lt;1mW               Class II 635nm，&amp;lt;1mW                   Measuring units               IP 54               IP 54               IP 54                   History measurement records               20               20               20                   Keyboard Type               Super Soft-Touch (Long life)               Soft-Touch Keypad               Soft-Touch Keypad                   Operating Temperature               0 C to +40 C(+32 F to +104 F)               0 C to 40 C(32 F to 104 F)               0 C to 40 C(32 F to 104 F)                   Operating Temperature               -10 C to +60 C(14 F to +140 F)               -10 C to 60 C(14 F to 140 F)               -10 C to 60 C(14 F to 140 F)                   Battery Life               Up to 4，000 measurements               Up to 4，000 measurements               Up to 5，000 measurements                   Batteries               Type AAA 2 x 1.5V               Type AAA 2 x 1.5V               Type AAA 2 x 1.5V                   Auto. laser switch-off               after 0.5 min               after 0.5 min               after 0.5 min                   Auto instrument switch-off               after 3 min               after 3 min               after 3 min                   Size(HxWxD)               115mm