1. Rated operational voltage：DC   10V—16V
2. Rated total working current：DC   1.4A
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）≤60℃（at ambient temperature of 20℃）
7. Color temperature limit 6500K
8.Maximum size(L*W*H):200mm*65mm*25mm