TD5 Double Lamp Head USB Desktop Clip Table Lamp,Style: Rechargeable Version (Pink) BOYA you can purchase it separately

you can purchase it separately and replace it yourself

Pointer color: Brown

Min curvature radius of concave substrate: 11mm

the mini camera can be used as a USB flash drive

more stable measurement

TD5 Double Lamp Head USB Desktop Clip Table Lamp,Style: Rechargeable Version (Pink) BOYA you can purchase it separately1. Material: ABS + electronic components 2. Voltage: DC 5V 3. Output power: 2. 5W 4. Charging current: 1A 5. Battery: The rechargeable version has a built in 1500mAh lithium battery 6. Dual light source design, larger lighting range 7. Can stand on the desktop, can be clamped, more flexible to use 8. No flicker, less blue light, 3 levels of dimming, soft light for eye protection 9. 3 levels of light source: 3000K warm light 4500K white light 6500K