well the surrounding air can so use maximum ventilation. pretty safe outdoors though. way safer than charging a dodgy lithium battery
Type: Posts; User: gonetropo
well the surrounding air can so use maximum ventilation. pretty safe outdoors though. way safer than charging a dodgy lithium battery
$250 from ali brand new inc shipping
$250 from ali brand new
that 40kHZ (kilohertz) thats the output frequency of the ultrasonic transducer. way above human hearing but you may sense it if you press your forehead onto it.
it will work fine on brass but if...