【IP67 Light Wire + IP65 Waterproof Battery Case for All-Weather Use】The upgraded PVC light wire carries an IP67 rating, while the battery case is rated IP65 for protection against rain and dust. Because no outlet is required, the lights remain portable and suitable for outdoor use in different weather conditions. The upgraded high-efficiency, long-lasting, low-voltage power system is designed to avoid overheating during extended operation, providing a more stable and convenient option than solar-powered lighting.