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 2 cm/2.5 x 1.3 x 0.7 inch; Weight: Approx 30g; Features: Portable and easy to use. Small and handy size. Add or subtract. On/Off/Reset buttons. Small cord for grip. LCD display/Max count 0-9999s. Sound timing: \"Di Di\" sound when counting. Instructions: To turn on - Press the On/Off/Reset button, the unit will display \"0\". To add counts - Press the green button (+), it will beep at each count. To subtract counts - Press the red button (-), it will beep at each count. To turn off or turn on the beep at any time - Hold the green or red button for 3 seconds. To reset the count - Press the On/Off/Reset button for 3 seconds. To turn off the counter - Press the On/Off/Reset button for 3 seconds when the counter displays \"0\". Package includes: 1 x Golf Scorer (Battery not included);