Size: 9.5 * 9.5 * 3.7 cm / 3.7 * 3.7 * 1.5 inches
Power by: 1*AA battery
Notic:
1.Please do not place it in following place:a)nearby strongvibration b)in the dusty play.
2.Please do not touch it movement
3.Please do not clean it case by using paint thinner or therchemical materials. Neuter soap or cleaning liquid isrecommendable.
4.Please change the battery once a year. Exhausted battery may leakand damage your product.