NOTICE : Laser is harmful to eyes・ please do not illuminate eyes!<br />Please stay away from children・prevent the danger of children's misuse!<br /> <br />Output:red laser straightly(650nm)<br />Size: 12mmx35mm<br />Working voltage:4.5-5V<br /> <br />Packing List:<br /> <br />1Pcs New 650nm 5mw Red Laser Line Module Metal Body Adjustable Laser Head<br />