Product Specifications: Size: (approx.) Height 7.4 x Width 9.2 x Depth 2.3cm Setting Time: Maximum 99 hours 59 minutes 59 seconds, Minimum 1 second Volume: 60~90dB Body Weight: Approx. 0.07kg Colors: White and Black Material: ABS + Resin Display: 7.5 x 3.5cm LCD display Power Supply: DC1.5V, uses 2 AAA batteries Accessories: Instruction manual 【Various Functions】: Alarm function, clock function (12/24 hour display switchable), timer function (count up/count down), 4 keys, tone, with flash, built-in magnet on the back of the main unit, can be placed or hung (built-in self-supporting stand). You can freely switch between 3 modes by pressing the Start/Stop key. Press once to enter alarm mode, and press and hold for 3 seconds to switch to count-up mode. 【Easy-to-See Large Screen】: With a 7.5 x 3.5cm large-screen LCD display, you can see the numbers clearly and accurately from a distance, making it easy to use for the elderly and children. It is an indispensable appliance for studying, working, cooking, sleeping, sports, and daily life. 【Usable Anywhere】: Two ways to place it: ① There are two high-strength magnets on the back of this timer, which can be easily attached to refrigerators and metal appliances. ② Open the back bracket 60 degrees and place it on a flat table. You can flexibly choose the installation method according to the place you use it. 【Two Modes: Sound and Flash】: In "Sound Mode," the alarm can be sounded with a sound of 70dB or more. If you don't want to make a sound, such as in a library, study room, or late-night study session, you can set it to "Flash Mode." 【High-Quality Materials】: The magnetic fasteners use two 1cm strong rubidium magnets (the same type only uses 0.6cm magnets), so you don't have to worry about not being able to support its own weight. The screen uses a large-screen, energy-saving LCD, so you don't need to frequently replace the batteries. The ABS grease is clean and easy to wipe off.