... Wobble Clock requires 1 x AG-13 cell battery/AAA battery, a battery cab be normal use up to 6months. 9 ... is clear. 2.Checking the sensitivity:Looking the battery icon of product,According to the polarity is ... properly to load battery ,if the second hand start to move,proof ... clock error is about 5 minutes Instructions: 1.Battery install, take the snooze switch to stop ring, ...