1. Material: ABS 2. Size: about 9x6.7x3.74 cm 3. Weight: about 78 grams 4. Input: AC 100-240V 50/60Hz 5. Output: 9V Ni-MH battery 9V DC 50mAx1, 50mAx2, 9V lithium battery 9V DC 120mAx1, 120mAx2 6. Applicable battery: 9V lithium battery/NiMH/NiCd rechargeable battery 7. Features: automatic power off when fully charged, LED light to indicate the charging process, automatic light off when fully charged, smart chip, over-current protection, over-temperature protection (when the battery or charger temperature is higher than 60 degrees Celsius when charging, the charging will stop automatically) to ensure safety Charging, exquisite and compact, easy to carry, simple operation 8. Note: Only the charger, not the battery in the picture