100% Brand new and high quality 
Module Properties: non-isolated buck module (BUCK) 
Rectification:synchronous rectification 
Input voltage:DC 12V (6.3-22V) 
Output voltage:3.3V 
Output Current:3A 
Output Power:10W 
Conversion efficiency: Max 96% 
Working temperature: Industrial-grade (-40 °c to +80 °c) 
Overcurrent, overtemperature, short circuit protection 
Waterproof, moistureproof, suitable for most kinds of harsh environments 
Small size: Approx.30x25x21mm (do not including install ear) 
Cable length:Approx.14cm