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Operating Voltage : 2V DC - 3.5V DC Power ON. Stand-by Current : 3u (at DC 3V) Buzzer ON. Power Consumption : 26mA (at DC 3V) Buzzer S.P.L.(at 30 cm) : Over 75dB (at DC 3V) Battery : 1 piece of CR1220 Lithium battery. Power On Stand-by Battery life : Over two years. Operation Temperature : -10 o C Min - +60 o C Max. Material of Housing : ABS |
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