Asmix Electric Letter Opener LO80B Blue Color: Blue Automatically turns on when an envelope is inserted. Dome shape makes it easy to hold and open. Easy to open even when placed on a surface. Cutting width: 3mm Power supply: 4 AA batteries (sold separately), Battery life: Approximately 10,000 envelopes (No. 3 long kraft envelopes) External dimensions: W84 x D72 x H60mm, Weight: Approximately 116g Asmix Electric Letter Opener LO80B Blue ● The switch automatically turns ON when you insert an envelope, and the rotating blade does the work, so you just need to hold the envelope, making it easy to open. ● You can open it while holding it or by placing it on a surface. <Specifications> ・ Cutting width: 3mm ・ Power supply: 4 AA batteries (sold separately) ・ Battery life: Approximately 10,000 envelopes (No. 3 long kraft envelopes) (at 20°C, using new manganese batteries) ・ Material: ABS ・ Warranty period: 3 months LO80B Blue