Długopis z laserem do testowania światła podczerwonego, czerwonego i zielonego, anty-niebieskiego

Product Name: Laser-101 Green Light Red Light Blue Purple Light Laser Bare Pen This link is for a bare pen; it does not include batteries or a box.Please select the set link if you need a set! If you need to purchase accessories separately: black box 1.5 yuan each; velvet box 2 yuan each, battery 1 yuan per pair. Product Description Model: laser-101; Material: Hard Aluminum; Surface Treatment: Anodized Black Switch mode: Touch switch; Battery: Two AA batteries; Wavelength: blue-violet light 405nm; green light 532nm; red light 650nm Start time: 0.001 seconds; Operating Voltage: DC3V with two AA batteries; Range: 100- 500m The farthest distance visible to the human eye at night Dimensions: 14mm x 155mm Power: Actual 5MW Product Advantages 1. Made of aviation aluminum alloy, strong and durable; 2.2 AA batteries, large capacity and long battery life; 3. Front switch, press to power on, release to power off for convenient use 4.ImportLD and accessories to increase service life, over 10,000 hours 5. Built-in laser module improves heat dissipation, and the circuit board acquisition protection design is an excellent improvement targeting current defects in domestic laser circuit boards