Power supply mode:USB powered by 5V or 3V button battery,(note that USB and button batteries cannot be powered at the же time, otherwise the button battery will be damaged)

Working voltage: 2.8 V

Working current:12ma

Sleep state:less than 1ma

Product Name:-054A Digital Tube Display Calculator Kit

Note:shipped in pieces, the colors of Accessories are random, no Specification is accepted, and it will not affect the use.

цвет:как показано

Материал:abs

Size:PCB size:113X78 мм

Package Contents:

1 set * калькулятор DIY kit

1 *

only the above package content, other products are not included.

Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is / - 1-3cm.