Specification: Product name】：Small square pendulum clock Product size】：6.0×6.0×3.5cm Packaging]: 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 a circle to the zero scale, and then counterclockwise back to the desired time, the timer will be emitted 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、Ring 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 remember that time is up, how good is it. These little timers can help. 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 hairdryer. Your child should have half an hour to complete a series of math problems and 20 minutes to memorize English words. Exercise for at least half an hour in the morning......... 【Product Maintenance】: 1, Rotate to the end, please 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 damage to the timer's initiative. 4, timer shell, built-in movement are made of plastic, please do not bake, burn with fire.