What's the difference between Remootio 3 and Remootio 2

	Remootio 3	Remootio 2

Input voltage	5-32 VDC \| 12-24 VAC (Can be powered using a standard 5V USB charger or it can draw power from the control board of the gate opener)	5 VDC only (can be powered using the included 5V USB charger)
Power consumption	80mA @ 5V (40mA @ 5V in low power mode)	140mA @ 5V
Recommended for	Electric gates (solar and non-solar powered) Garage door openers	Garage door openers
Input voltage measurement	Yes (displayed in the app)	No
Works with Apple HomeKit	Yes (with garage doors only)	Yes (with garage doors only)
Resetting	Press the button on the board for more than 10 seconds to reset the Remootio 3 unit.	Use the button on the board to reset Remootio 2.
Pinout diagram
Average price (online)	119USD	109USD
Average price (retail stores)	149USD	139USD
	Similarities:
Bluetooth	Yes	Yes
Wi-Fi (Local network)	Yes 2.4 GHz	Yes 2.4 GHz
Internet (via Wi-Fi)	Yes	Yes
Amazon Echo	Yes	Yes
Google Home	Yes	Yes
Samsung SmartThings	Yes	Yes
Open API	Yes	Yes
Security	256 bit end-to-end encryption	256 bit end-to-end encryption
Virtual keys	20 virtual keys (upgradable to 100 keys)	20 virtual keys (upgradable to 100 keys)
Dimensions	20mm x 20mm x 54mm	20mm x 20mm x 54mm
Control output	2x Normally open relay output Compatible with O/S/C type gates and garage doors as well as gates and garage doors that need a separate impulse / separate button for opening and closing.	2x Normally open relay output Compatible with O/S/C type gates and garage doors as well as gates and garage doors that need a separate impulse / separate button for opening and closing.
Inputs	2x inputs: For example: Sensor and Doorbell button or Manual open button	2x inputs: For example: Sensor and Doorbell button or Manual open button