features:<br />working life: more than 2000 hours<br />spot mode: dot facula， continuous output<br />laser wavelength: 650nm (red)<br />copper head diameter is 6mm<br />light power: 4mw<br />supply voltage: 5vdc<br />operating current: &amp;lt;40ma<br />operating temperature: -36 ~ 65<br />power lead length: 120mm<br />shell material: brass<br />qty: 5pcs<br />single weight: 1g<br /><br />package included:<br />100% <br />5pcs laser dot