Key benefits Thin, small size and portable design for easy handling, installation and use. efficiency operation to reduce energy waste and support stable performance. Builtin protections for safer operation: overvoltage, undervoltage, overload, overheat and short circuit protection. Durable aluminum alloy outer case for long term stability and reliability. Specially designed to be waterproof, antishock, antihumidity and dustproof for harsh environments. Clear wiring with color coded leads: input (+) Red, input () Black; output (+) Yellow, output () Black. Note: There is no wiring reverse shortcircuit protection. Please ensure wiring is careful and correct. Product features Construction: Aluminum alloy outer case material provides durability and reliability in challenging conditions. Protection: Builtin safeguards cover overvoltage, undervoltage, overload, overheat and short circuit events to promote stable performance. Environment: Design emphasizes waterproof, antishock, antihumidity and dustproof properties for sustained operation in outdoor or rugged settings. Size and portability: Thin and compact for easy transport, installation and use. Wiring information Input wires: (+) Red, () Black Output wires: (+) Yellow, () Black Important: This device does not include reverse wiring protection. Ensure wiring is correct to prevent damage. Use scenarios Outdoor field installations: Deploy in weatherexposed environments to power sensors or small devices while protecting against moisture, dust and shocks. Automotive, marine and industrial projects: Use as a compact power source that tolerates voltage variations and protects connected equipment from common electrical faults. DIY and workshop applications: Ideal for portable electronics projects or small equipment setups where easy installation, reliability and durability are important. Note Maintain clear and correct wiring to avoid reverse shortcircuit situations. The wiring colors provided indicate positive and negative connections for input and output.