TAKE IT ANYWHERE - Compared to bulky and heavy stop watches and timers, our product is relatively smaller. It’s about half the size of a credit card making it easy to bring wherever. LASTS LONGER - HONMAX timers are capable of countdown up to 100 hours. The 200 mAh battery ensures long-time use. When in standby mode, our product can last up to 6 months. HEAVY-DUTY & RELIABLE - Our programmable interval timer stopwatch feature an over charge, short-circuit, and over discharge protection. It’s also protected against rain and sweat. Upgraded backlight and waterproof, waterproof is more reliable. TRACK YOUR PROGRESS - In interval mode, you can set the timer one or two intervals between 2S and 99M 59S. Auto mode keeps repeating through intervals, up to 99 repeats. Built-in Clock feature you can set 2 groups of alarm Clock for your reminders. Chime and vibrate notifications can also be set. VERSATILE FUNCTIONS - Whether you need our product for HIIT, cardio, cross fit, strength and aerobic training, running, meditation, kitchen timing or time management aids, HONMAX got you covered.

Human Interface Input: Buttons. Item Weight: 43 Grams. Product Dimensions: 0.6"D x 2.16"W x 1.77"H. Brand: Honmax. Color: Blue. Date First Available: September 19, 2021. Best Sellers Rank: #118,467 in Sports & Outdoors. Customer Reviews: 4.3 out of 5 stars 63 ratings 4.3 out of 5 stars. Batteries: 1 Lithium Polymer batteries required. Item model number: 8200B. Country of Origin: China. : B09MK89H24. Manufacturer: honmax. Item Weight: 1.52 ounces. Product Dimensions: 1.77 x 2.17 x 0.57 inches.