![VOLTCRAFT 1590028 Operating Instructions Manual Download Page 21](http://html1.mh-extra.com/html/voltcraft/1590028/1590028_operating-instructions-manual_1046930021.webp)
21
13. Technical data
Power supply ....................................................
9 V block battery, type 6LR61
Battery life .........................................................Up to approx. 4 hours (high-quality alkaline battery)
Transmission frequency....................................512 Hz
Transmission power..........................................0.9 W
Detection range (with no obstructions) .............2.0 m horizontal / 1.8 m vertical
Detection range with 40 cm thick concrete wall ....1.8 m horizontal / 1.6 m vertical
Operating conditions .........................................-10 to +50 °C, max. 95 % relative humidity (non-condensing)
Storage conditions ............................................-20 to +60 °C, max. 95 % relative humidity (non-condensing)
Dimensions (L x W x H) ....................................210 x 70 x 42 mm
Weight ..............................................................370 g (without battery)