Water proof connector: 
Model: MC4, 2 in 1 connector, 3 in 1 connector, 4 in 1 connector
Service life: 25 years
Certification: TUV

PV cables: 
Model: 2.5SQ, 4SQ, 6SQ. 10SQ 
Color: black, red
Service life: 25 years
Certification: UL, TUV

Junction box: 
Model: designed for solar modules fm 3w to 350w
Water proof class: IP65 & IP67
Material: PPO
Service life: 25 years
Certification: TUV, UL

Combiner box: 
Model: DC combiner box & AC combiner box
Function: protecting the solar system from thunders and lightning
Waterproof class: IP65
Service life: 25 years
Certification: CE, CCC

Diode connector: 
Model: 100V10A, 100V10A 
Waterproof class: IP67
Function: preventing flowing back of the current
Service life: 5~8 years
Certification: TUV