<br><br> <b>Specifications</b> <br><b>Operating distance</b>: Approx. 10m / 32.8 ft. <br><b>Power</b>: Lithium button cell battery CR2032 <br><b>Dimensions</b>: Approx. 32 x 100 x 14mm (1.2 x 3.9 x 0.5 in.) <br><b>Weight</b>: Approx. 31g (1 oz) (including battery) <br><b>Accessory</b>: Strap x 1