5pcs 3V 433Mhz Wireless Remote Control 1 Button Round Remote Control Switch EV1527 Chip1, Working voltage: DC3V ,CR20322, Working current: Less than or equal to 10mA3, Operating frequency: 433MHz4, Transmit power: Greater than or equal to 10mW5, Launch distance: 30-50m(open space)6, Frequency deviation: -0.2MHz ~ +0.2MHz7, Transmission rate: 50--60KHZ8, Modulation method: ASK9, Oscillation resistance: 330K10, Working chip: Ev1527 (learning code remote control)11, Working temperature: -20 degrees ~+70 degrees12, Storage temperature: -10 degrees ~ +50 degrees13, Weight:22g14, SIZE: 50*13mm, button diameter 30mmOperation method: The setting of the remote switch is determined, and it cannot clear the code.Applications:Wireless RF remote controls are widely used to transmit data and signal control, mainly used for remote control electric retractable doors, remote control gate brakes, remote control shutter doors, garage doors, sliding doors, remote control LED lights, remote control fireworks_igniter, remote control Passenger car door, anti-theft alarm, electric door alarm, video surveillance shaking machine, wireless curtains, door locks, remote control of pumps, industrial control products, etc.Package included:5 x 3V 433Mhz Wireless Remote Control