BEILESHI 100gx0.01g Jewelry Digital Scale Most Mini Pocket Scale High quality material, durable enough for your daily using. Easy to replace batteries. Super light weighted. Great for collections, circuits, jewellery and watch inspection, and etc... Carry the battery:NO,Units :g/oz/ct/dwt,Capacity:100gAccuracy:0.01g Auto Off:30 secondsplease push the yellow circuit aside the battery not down the battary!!! Display :LCD with backup light