Professional Advanced Chess Digital Timer Chess Clock Count Up Down

Features:
With countdown function, can carry out multi section countdown, positive timing function and each step delay function.
It can add seconds, limit times and read seconds.
Different timing parameters can be set on the left and right sides. During the competition, the timing parameters of both sides can be modified.
Can display the number of chess steps, can be silent, does not affect players playing chess.
Turn off the machine and turn it on again to keep the parameters of the game before turning it off.
Big seesaw button, nice handle, quick reaction, easy to control.
It has 42 preset rules, multi-function and wide ranges of application.

Specifications:
Material: plastics + metal
Battery: 2 * AA: 1.5V, 800mAh (Delivered without batteries)
Item size: 161 * 100 * 62mm / 6.3 * 3.9 * 2.4in
Item weight: 245g / 8.6ounce
Package size: 150 * 100 * 50mm / 5.9 * 3.9 * 2.0in
Package weight: 400g / 0.9lb
Packing List:
1 * Chess Clock

YS-902
Specifications:
Material: ABS
Color: Black
Battery: 2 * AAA battery (Not included)
Screen size: 103 * 23mm / 4.06 * 0.91in
Item size: 140 * 88 * 45mm / 5.51 * 3.46 * 1.77in
Item weight: 105g / 3.70ounce
Package size: 150 * 100 * 50mm / 5.91 * 3.94 * 1.97in
Package weight: 157g / 5.54ounce
Packing List:
1 * Chess Clock