Epoxy sealed containers with waterproof housing. Features overload, over-current, overheat, and low voltage protection for stable performance. Short circuit protection is sustainable and self-recovering. Input reverse polarity protection is not included; if needed, add a series diode. Module type: non-isolated buck. Compact and lightweight, easy to use and transport. Synchronous rectification. Operating temperature: industrial grade (-40°C to +85°C); when ambient temperature exceeds 40°C, reduce power usage or improve heat dissipation. Input voltage: 12V. Output voltage: 5V. Dual USB output. Maximum output current: 3A total. Rated power: 15W. Conversion efficiency: up to 96%. Soft-start time: 500ms. Output ripple: 50mV maximum (20MHz bandwidth). Dynamic response speed: 5% within 200μs. USB cable length: 30cm (from regulator to USB connector). Dimensions: 46x27x14mm. Housing material: ABS plastic. Package includes: 1 x DC 12V to 5V 15W dual USB converter. Note: Lighting and display differences may cause slight color variations between the image and actual item. Measurement may vary by +/- 1-3cm.