Portable digital fishing scale extremely accurate features Automatic Power OFF function, Low Power Alert Alarm, Overload Indicator. Offers 2 choices of locking function: Automatic lock in of reading when weight is stabilize or No Automatic lock like spring scales. Handy and durable ,made of ABS Engineering Plastic. Powered by 2 x AAA Batteries(Included). Dimension: 85mm x 48mm x 19mm. Net Weight: 97g