Specifications
car safety hammer, auto safety hammer, bus safety hammer,-Flash warning
-Phone Charger
-Belt Cutter
-TUV
Automotive emergency hammer Exquisit hammer with LED flashlight and belt cutter Hand-operated rechargeable safety hammer
Working principle:This product adopts the principle of three-phase alternating generator to crank for power which after commutating and filtering to charge its inner 80mAh/3.6v NI-MH chargeable battery. The electricity in the battery can be used for lighting and charging mobile phone.
Functions :
1.Cranking for power to charge its inner 80 mAh / 3.6v NI-MH chargeable battery which reserve electricity also.
2.Cranking for power to charge mobilephone through a connector and wire.
4. Breaking the glass in urge
5. Cutting the strap in emergency. 
Main Technical Parameters:
| Item | Parameter | Unit |
| Max. brightness of 1 LED light | 60000 | Mcd |
| Max. luminous flux of 1 LED light | 3.5 | Lm |
| Lighting time after 1 minute cranking | ||
| 1 LED light | 40 | minute |
| 4 Φ3LED flash | 60 | minute |
| Lighting time after being charged fully | ||
| 1 LED light | 5 | hour |
| 4 Φ3LEDs flash | 12 | hour |
| Flash frequency | 2 | HZ |
| Voltage Output | 5 | v |
| Max. current output | 500 | MA |
| Max. power output | 2.5 | W |
| Lifespan | ||
| LED lifetime | 50000 | hour |
| Switch lifetime | 100000 | times |
| Plastic parts lifetime | 5 | year |
| The whole unit lifetime | 5 | year |
| It provides 3~8 minutes’ talking time to mobile phone by cranking 3 minutes | ||
Cautions:
1. Don’t point at eyes directly so as not to hurt the eyes.
2. Put it at the place that children can’t catch in case of hurting them.
3. Try to crank it evenly (keep rotating steadily). Cranking too slowly may reduce the current and so prolong the charging time. Cranking too violently may damage the driving system.
4. Pay attention to the holding gesture when cranking which can protect your finger from hurting.
5. In oder to assure the life of the battery, you should crank no more than 3 minutes continuously on the condition that it can light, and crank less than 10 minutes continuously when it can’t light.
6. In oder to prolong the lifespan of the battery, you should crank it for at least one minute once a month.
8. Use the wire that our company specified to charge the specified brand of mobilephone, otherwise it might damage the phone or battery.