Wireless Intercom Phone
$90.00
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Power supply: DC 5V Working frequency: 420~450MHz Radio-frequency power: 0.5W Support users: 1-9999 Working current: <650mA Battery model: 18650 Standby current: 1mA Wireless distance: 1km(in open area) Working temperature: -10~40°C Device size: 190*105*75mm
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