Specifications
| drop height | 1.9m |
| Height adjustment | manual adjustment |
| way to drop the ball | DC electromagnetic control |
| Ball Weight | 64/112/198/225/510g steel ball 1PCS each (error plus or minus 2-5 grams) |
Packing list
Host x1
After-sales instructions
Warranty days: 365 days
【After-sales service】
1. One year warranty
2. Lifetime maintenance
3. Damage caused by human factors, or damage caused by improper use, is not covered by the warranty
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/7356/Specification.html , which is only used by users who purchase commodities from the NBCHAO.