Product Model No.: Mi2
• Dimension: 55.6mm(2.19”) × 25.7mm(1.01”) × 9.6mm(0.38”)
• LED: 5mm High-Output LED
• Output: 40LM
• Working Voltage: 2.5V-4.2V
• Battery: 120mAh Li-ion Battery
• Weight: 9.0g (0.32 oz)