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CK-4000 Digital LED Large Stopwatch Timer

It's a simple to operate, highly visible large display count up industrial stopwatch.

Large stopwatch timer CK-4000 Photo of large LED stopwatch

Our Model CK-4000 is simple to use, and provides reliable, accurate, and easy to read time keeping features. It operates simply by counting up and displaying elapsed time in MINUTES, SECONDS, and HUNDREDTHS of SECONDS. The CK-4000 is equipped with a very rugged, easy to use two button remote control that is designed for heavy duty use, making it especially suitable for industrial use. This LED big display large stopwatch timer is great for tradeshow games, science & engineering labs, industrial factories, hospitals, etc...

Highly readable six digit red LED display shows Minutes, Seconds, and Hundredths of Seconds. Great for timing any event with precision accuracy!

Display Size: 2.3 inches - big and readable up to about 75 feet maximum distance.

Maximum Timing: Essentially 100 Minutes with a maximum display of "99:59:99".

A wired, rugged, and very reliable Remote Control is included. It features two buttons - One for Start-Stop, and another for Reset back to 00:00:00. Simple & Easy to Use! This remote is quite responsive to rapid activation. See the video demonstration below. There is no latency compared to wireless remotes.

Remote cord length: 5 feet. Optional 25 foot cable also available. Details below.

Durable white plastic enclosure; clear red acrylic and black ABS plastic front panel

Simple Operation: No complex menus to hassle with, and no alarms beeping and squawking back. Simplicity at its best!

Size: 15.0 x 6.0 x 2.0 inches

Table, shelf, or wall mountable

U.L. listed 9 VAC wall adapter included

Weight: Only 2.0 pounds - Lightweight and Portable!

Designed and Assembled in the USA


Model CK-4000
Update: July 18, 2024: One In Stock, Quick Ship!

Read the Warranty

The CK-4000 Large Stopwatch is backed by our excellent customer service. We're always just a phone call or email away.

Video: Simple demonstration of the CK-4000 Digital Stop Clock in operation!


The CK-4000 is a simple, free-running COUNT UP ONLY TIMER. It is not settable to a certain time and it only counts up, indicating elapsed time. For a SETTABLE count up or count down timer, see our Model CK-3000 Timer. Please scroll down this page for our list of clocks and timers.

The CK-4000 does not count down.

FOR INDOOR USE ONLY - For use in dry conditions only. The display is not suitable for sunlight.

Photo of large wall stopwatch Photo of LED large stopwatch

The CK-4000 LED Big Stopwatch Timer is Desk, Shelf, or Wall Mounted.



photo of large display stopwatch remote


The CK-4000 includes this easy to use two button switch remote control. The red button is used for starting and stopping the timer. The black button resets the display to 00:00:00. Operation is simple and straight forward.

This remote control is ultra reliable and ruggedly built. This is not a cheap rubber type keypad remote found on other similar controls.

REMOTE CONTROL NOTE: The CK-4000 remote control is equipped with a 5 foot long cable. For longer remote operation, we also offer a 25 foot extension cable. Order Model MK-97 Remote Extension Cable - Price: $9.00

CK-4000 OPERATING INSTRUCTIONS: Click Here to see the one page instruction sheet. Simple to use!

Video Demonstration of the CK-4000's very reponsive remote control.

IP-68 pushbotton remote control


We now offer an optional remote control for very harsh environmental conditions. The R-68 is equipped with two stainless steel IP-68 rated pushbuttons for use in dusty, moist, or even wet conditions. It is the ultimate in remote control ruggedness.

However, please note: the CK-4000 LED display unit is not built for harsh conditions, so the R-68 must be used at a safe distance away, especially for wet conditions. We offer remote cables up to 100 feet if necessay.

CK-4000 with R-68: $499.00

R-68 sold separately: $89.00

Five Year Warranty

30 Day Money Back Guarantee

Designed and Assembled in USA

We Proudly Stand By Our Products!

Your satisfaction is fully guaranteed. You will not find a better value in a Large Display LED Stopwatch Timer. If you find one, (but you won't!), we want to know about it!

We support our products. If you ever have a problem or have a question, simply send us an email or give us a call. We are there for you!

Related Products

We also offer:Digital Clocks | Pocket Timers

CK-46 industrial stopwatch timer digital desk timer count up timer

The CK-46 Industrial Stopwatch is the small desktop version of the CK-4000. Also with a smaller display, the CK-3 Desk Timer counts up and down and sits nicely on a desk or table. Be sure to check out the CK-340 Industrial Digital Timer. Like the CK-4000, it features a large display and an extremely rugged remote control as well for heavy duty use applications in factories. For more normal general use, see our full featured up/down programmable CK-3000 Large Digital Timer. All our products have informative pages and video demonstrations to watch, so check them out!


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