... 4. Certificate: CE, RHOS, CCC Power meter, energy meter, multifunctional mini-ammeter Functions: 1. Measure real-time voltage of the power ... version) 110*64*63mm (other versions)Blister size: 190*130*80 mm (EU version) 190*130*65mm (other versions) Carton size: 60 ... version140pcs/ctn for other versions Power meter, energy meter, multifunctional mini-ammeter