●5 in 1 high performance and versatile digital multimeter. ●The sound sensor, light sensor, humidity sensor are located at the top of the meter and inside the cas. ●The 5 in 1 high performance and versatile digital multimeter is 4000 count, 3 3/4-digit digital multimeter. ●It can be used to measure sound level, relative humidity, temperature and illumination. ●It can be used as a test tool for environment and devices
