Product details of Lase.r pen MULTI FUNCTION 4 in 1 Red Lase.r Pointer LED Light Lamp Ball Pen Torch Telescopic Pointer to Teach Silver

• Color: Silver
• Material: Aluminum
• Function: Red laser + teach pointer + Resistive screen stylus + Black ink ballpoint pen
• Lase.r power: < 5mW
• Lase.r wavelength: 650nm +/- 10nm
• 1-led flashlight, color BIN: white
• Working voltage: 4.5V
• Powered by 3 x LR41 battery(not included)
• Telescopic to teach max 50cm
• Dimensions: 5.91 in x 0.39 in x 0.39 in (15.0 cm x 1.0 cm x 1.0 cm)
• Weight: 0.85 oz (24 g)