1. Size: 5 inches
2. Battery: 18650 (not included)
3. Infrared emitter type: independent emitter
4. Suitable for line-of-sight lens diameter: 35-45mm
5. Night vision distance: night vision can reach 100 meters / 200 meters
6. Day and night equipped with special infrared flashlight
7. Note: This item does not include the internal battery