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Features:
1. 3 V DC power supply (2 or 4 x AA batteries).
2. Products at the back of the power supply input port, which can be
connected to computer via USB cable, charger, charging equipment
such as power supply to the products.
3. A total of 7 class 39 kinds of timing rules.
4. Each time rules can be arbitrarily set basic time and auxiliary parameters.
Detail info,please visit www.allways.top