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allowing two compatible devices to be connected at the same time
night lights)
Various output ports: Offers 2 car cigarette lighter sockets (12-24V DC) and 4 USB ports (5V)
showing one of the measured values
Each such segment is responsible for30 minutes of working time
H2O Power Calculator 12 digits showertimer allowing two compatible devices toCalculate conveniently and in harmony with nature! The H2O desktop calculator is a revolutionary device that requires only clean water to work! Forget about purchasing and disposing of batteries or lighting restrictions for solar calculators. Designed by Tango Group, this 12 digit calculator uses patented H2O water activated battery technology. This is a breakthrough, ecological solution for an everyday product at home and in the office, offering