YS-9901

Timing rules includes BASIC, BOUNS, DELAY, BYO-YOMI and COUNT-UP, it automatically switches to the positive timing mode after countdown.
User-defined time can be set up to 9:59:59, different timing parameters can be set for both sides, and the time can be modified during the game.
It can automatically save the parameters set before shutdown.
Step recording function: you can view or modify the number of step taken uo to 999 step.
Sound and shutdown function: you can turn/off the voice prompt, or turn on/off the chess clock.

Functions
BASIC: Means timing mode in current time
DELAY: Means current delay mode in current time
BONUS: Means second increasing mode in current time
BYO-YOMI: Means Go countdown mode in current time

Specification:
Main color: black/yellow
Main material: ABS
Screen size: 125mm*24mm
Battery: 2 * AA battery (not included)
Item size: 140 * 85 * 54mm / 5.5 * 3.3 * 2.1in
Item weight: 152g / 5.4ounce
Package size: 145 * 95 * 50mm / 5.7 * 3.7 * 2.0in
Package weight: 170g / 6.0ounce

YS-902

Functions:
Basic: Set basic time.
Bonus:Set basic time and bonus time.
Delay:Set basic time, second reading times and time.
Positive Timing: Set basic time to be 0 for overall rationing system

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 Timer(Please take care to select the model you want