1. Rated operational voltage：DC   10V—16V
2. Rated total working current：   DC   0.12A
3. maximum operating voltage：DC  24V  lasting for up to 1 hour
4. Excess working voltage：DC  18V  lasting for up to 1 hour
5. Continuous operating time≥24hours，current fluctuation≤±2mA
6. maximum surface temperature（shell）≤40℃（at ambient temperature of 20℃）
7. Color temperature limit 6500K
8. Rated total working current≤300  mA
9. Current fluctuation ≤±2  mA  (in 24hours)
10.Maximum size(L*W*H):115mm*27mm*12mm