For daily commuting and light outdoor use, IPX4+ is usually enough. For frequent rain, cycling, or camping, IPX6/IPX7 is recommended.

Not always. Higher lumen means more brightness but also higher power consumption and heat. Match lumen to real usage scenarios.

Under direct sunlight, most models need about 6-8 hours. Cloudy weather can extend charging to 1-2 days.

Yes. Typical MOQ is 200-500 units for logo/packaging customization. Deep customization is quoted by project scope.

Replaceable battery models are better for heavy-duty use. Built-in lithium models are convenient for consumer retail.

Most front light mounts fit 22-35mm handlebars. Tail lights generally support both seatpost and saddle-rail mounting.

In-stock items ship within 48 hours. Standard production orders usually take 7-15 days.

Depending on the model, we can provide CE, RoHS, FCC, and related test documents.

Most products include a 12-month warranty. Non-human defects are covered by replacement units or spare parts.

Yes. Sample orders are typically arranged within 1-3 days.