1.Charging device built-in Li battery, can be used by charge or plug in.

2.Plug in device just use by electric.

1. Any inquiry or question from you will be replied in 24hrs during working day.
2. Accepting ODM/OEM.
3. Accepting order. we will make led lamp promptly, according to your requirements.
4. Once sending the goods, we will send you the tracking number or bill of lading.
5. We will get your comment and track for any products promptly, after you finish test or installation.
6. Warranty: 1 year, provide free accessories as maintenance within the warranty period.
7. If our quality make led lamp not work, we will send you a news one freely.
8. We aged every light for more than 48 hours in order to ensure the high quality.
9. Delivery time: After mutual confirmation within 5 days for samples.
10. Delivery methods: By air express (DHL, UPS, TNT, FedEx, EMS), ship,air cargo ,train ect, it is up to you.