Product description:
INS-11050 Photocromic Tester 838 OPTI+ <br /><br />Dimensions: 8 x 4 x 5 in / 20 x 10 x 12 cm <br />Weight: 1lb / 0.46 kg<br /><br />Features:<br /><br />- Instantaneous color change of chameleon glass block<br />- It is an ideal instrument to the glasses factories and shops<br /><br />Specifications:<br /><br />- Power requirements: 110V 60HZ or 220V 50HZ AC 30W