Time box effectively control and manage your time * Prevent and control mobile phone addiction; * Prevent excessive smoking * Reasonable control of snacks; * Control children's toys * Manage medication time * There are other time management you can think of The longest setting time: 999 hours 59 minutes 59 seconds the shortest 1 minute the lid will automatically open after the timing is completed. Power supply: 2 AAA batteries which can be replaced by yourself. [Not included] Product size: diameter 15cmx height 18cm
