Specification: Product name】：Small square pendulum clock Product size】：6.0×6.0×3.5cm Packing]: Neutral color box +opp bag Box quantity]: 200pcs Outer box size]: 38*33*30cm Net weight]: 13kg Gross weight]: 14kg Product description]: Mechanical transmission and ringing, without batteries, the timer will rotate clockwise one circle to the zero scale, and then counterclockwise back to the desired time, the timer will be output by the crisp ringing! Technical parameters 1、Ambient temperature: -10℃～+55℃. 2、Operating direction: clockwise 3、Operating torque：≤0.45N.m 4、Specified time range: 60 minutes 5、Working angle: 360 degrees 6、Ringing time: 3-5 seconds 7、Error 1-3 minutes 【Product function】: Spare ribs should be cooked for half an hour. Steam crabs for ten minutes. Milk splits in five minutes. When you are busy in the kitchen. If you can always remind yourself that the time is up, how good it is. These small timers can help with that. You no longer have to worry about the water drying out or the food burning. Half an hour for a nap, 20 minutes for the hair dryer. Your child should have half an hour to solve a series of math problems and 20 minutes to memorize English words. Do at least half an hour of exercise in the morning......... 【Product Maintenance】: 1, Rotate to the end, please do not too hard, so as not to damage the built-in movement. 2, Timer work, please do not go back and forth many times to repeat the rotation, so as not to damage the built-in movement. 3, the timer shell is made of ABS plastic, please do not throw, throw, smash and other easy to damage the timer the initiative. 4, Timer shell, built-in movement are made of plastic, please do not bake, burn with fire. First clockwise (scale from small to large), from 0 to 55 and then back to your desired time, so that the alarm clock rings when the time is up. Note: We do our best to ensure all descriptions and product images are as accurate as possible. Some color variations may occur between computer monitors. Your understanding will be highly appreciated!