Wirelessly display, log, and transfer readings. Sper Scientific’s Bluetooth® Sound Meter is small, light, and simple to use with results clearly displayed on the meter’s large 1.5” backlit display. Choose A or C decibel frequency weighting scales and manual or auto ranging. Indicates readings over or under range and features minimum and maximum hold (peak) and data hold functions. The meter offers the convenience of Bluetooth® for wireless communication with free iOS and Android App. Results can also be remotely viewed on your smartphone in real time, saved and exported. This enables the meter to be used as a remote wireless probe and as a datalogger. Comes ready to use with a windscreen, tripod screw, instructions and a 9V battery. Dimensions: 7.25" × 2" × 1.5" (185 × 54 × 36 mm). Weight: 6.5 oz (184 g).