Specifications Material: Copper Wave length: 650nm Operating current: less than 450mA Normal operating temperature :15-30 degrees Storage Temperature: -10℃ -40℃ Power supply: 2 * AAA Batteries (Not included) Laser color: Red Original box: NO Pen Color: Black Item size: 155 * 13mm Package Includes 10x Red Laser Pen(No battery).
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