Material: ABS Size: 80*56 * 22cm   [Product features]] 1. Lazy alarm clock function: you can set 5-5 sets of alarms at will for 60 seconds each time. This function is not only suitable for ordinary alarm clock users, but also suitable for lazy people. You can set five consecutive reminders lasting for one minute; 2. Countdown function: the maximum countdown is 23 hours and 59 minutes (some batches of goods are 9 9 minutes 59 seconds); After the countdown, there will be 60 seconds of noise and memory function, after the noise is completed, the set countdown time will be automatically returned. Press any key in the noise, BB stops, and the set countdown time will be automatically returned. Press the "M/S" key, the next time can be timed, which is very convenient to use. This function is especially suitable for telecom, banking, catering and other industries that require time-limited services. 3. Set the interval and countdown time of five groups at will; 4. The five groups of scheduled noise have 60 seconds of sound noise; 5. Clock time system: 12/24 hours convertible; [Button function]] 1. SET(MODE): SET the key, press and hold for a few seconds to start setting; 2. H/M: set the hour value (the countdown is minutes); 3. M/S: sets the minute value (seconds when counting down), and starts or closes the alarm or countdown. [Instructions]] Detailed instructions are attached with the products (there are many products of the same series from manufacturers, and some contents of the instructions may involve other models, subject to the actual product), which is omitted here. [Product attributes]] 1. Use one AAA battery (the timer does not contain batteries) 2. Window size (LCD): 50mm × 28mm 4. Loud sound: DDD sound, the sound size is suitable for most people. 5. There are magnet, bracket and spare hanging hole on the back. Can be adsorbed on the metal surface or placed on the table; Or hanging.