Specification: Material: ABS; Color: Black; Voltage: 1.5V; Max count: 0-9999 seconds; Power Supply: 1 x AG13 Button Cell Battery (Not included); Size: 6.5 x 3.5 x 2cm/2.5 x 1.3 x 0.7inch; Weight: Approx. 30g; Features: Portable and easy to use. Small and convenient size. Add or Subtract functions. On/Off/Reset Buttons. Small cord for grip. LCD Screen/ Max count 0-9999s. Sound timing: "Di Di" sound when counting. Operating Instruction: To Switch On - Press On/Off/Reset Button, The Unit Will Display "0". To Add Counts - Press the Green Button (+), It Will Beep on Each Count. To Subtract Counts - Press the Red Button (-), It will beep on Each Count. To Switch Beep Off or On at Any Time - Hold the green or red Button Down for 3 Seconds. To Reset Tally - Press On/Off/Reset Button for 3 seconds. To Switch the Tally Off - Press the On/Off/Reset Button for 3 Seconds When the Counter Display is at "0". Package included: 1 x Golf Scorer (Battery is not included);