All epoxy sealed containers with waterproof housing. Overload, over-current, overheat, and low voltage protection for stable performance. Short circuit protection: sustainable with recovery capability. Input reverse polarity protection: Not included; if required, add a series diode. Module properties: non-isolated. Lightweight and compact, easy to use and transport. Rectification: synchronous rectification. Operating temperature: Industrial grade (-40C to +85C); when ambient temperature exceeds 40C, derate output or enhance heat dissipation. Input voltage: 12V Output voltage: 5V Dual USB output Maximum output current: 3A Rated power: 15W Conversion efficiency: up to 96% Soft-start time: 500ms Output ripple: 50mV (MAX) at 20MHz bandwidth Dynamic response speed: 5% within 200s USB cable length: 30cm (from regulator to USB connector) Dimensions: 46 x 27 x 14mm Material: ABS plastic housing Package includes: 1 x DC 12V to 5V 15W dual USB converter Note: Lighting and display settings may cause slight color differences between the image and actual item. Measurement allows an error of +/- 1-3cm.