Sound Level Meter， Portable Digital Sound Level and Decibel Measuring Meter Tester 30 dBA-130dBA， Max/Min Hold， Hand-held LCD Backlight with Tripod Thread-One 9V Battery Included<img src="http://ecx.images-amazon.com/images/I/41yrtfdLzPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/514z8R8tZML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41mbTOwtKRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41kYcBRLX6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/516KLsgwuXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61OUjpO6S%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/515p1YU0lEL.jpg" noproxy>