Konnwei Official via Amazon has for their Prime Members: Konnwei Professional OBD2 Diagnostic Scanner (KW850) on sale for $49.99 – 20% off when you clip the coupon on the product page – 20% off when you apply promo code 209LFFGT at checkout = $29.99. Shipping is free.
Konnwei Official via Amazon also has for their Prime Members: Konnwei 12V Car Battery Tester (KW650) on sale for $48.99 20% off when you clip the coupon on the product page – 20% off when you apply promo code 20CCRAHD at checkout = $29.39. Shipping is free.