YoLink YS3604F-UC Hub Required, 5 Year Battery 4-Button Smart Fob
Available Options
Designed for the smart home enthusiast who wants to control their environment with a simple press, the FlexFob is perfect for setting up custom actions like turning off all lights at bedtime or triggering a morning routine. This device moves beyond basic home security by offering a tangible way to simplify daily tasks and enhance convenience.
Each of the four buttons can be programmed with two functions, allowing you to activate Alexa routines or IFTTT applets seamlessly. The LoRa-powered technology ensures reliable performance with over a quarter-mile range, so you can use it from anywhere in your home without worrying about connectivity. With up to five years of battery life, it integrates smoothly into your setup, though a YoLink Hub is required for full functionality to unlock all features like controlling sirens, locks, and lights.
Features
- Four smart buttons with up to eight functions
- Activates Alexa routines
- Activates IFTTT applets
- LoRa-powered wireless with over 0.25 mile range and up to 5 year battery life
- YoLink Hub required for full functionality
Product details
General specs
- Brand: YoLink
- Model: YS1603-UC + YS3604-UC
- Brand: YoLink
- Range: over 1/4 mile
- ButtonCount: 4
- DeviceTypes: sirens, locks, lights
- Compatibility: Alexa, IFTTT
- PowerConsumption: extremely low
- WirelessTechnology: LoRa
- ControlCapabilities: set scenes, arm security, control YoLink devices
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Available Options
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Hub Included, 1 Year Battery | Amazon | $49.99 | Available | View |
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Hub Required, 5 Year Battery | Amazon | $23.95 | Available | Current |
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| Brand | YoLink | YSRSAI | Amazon Basics | Sonoff | IHSENO | IHSENO |
| Model | YS3604F-UC | YSR-Z-4K | HCR-Z54C-B-A667-01 | SNZB-01M | Remote | Remote2 |
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| Price | $23.95 | $21.55 | $19.99 | $19.90 | $16.99 | $16.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | February 7, 2026 | February 7, 2026 | January 21, 2026 | February 7, 2026 | January 16, 2026 | February 7, 2026 |
| Brand | YoLink | YSRSAI | Amazon Basics | IHSENO | ||
| Width | 1.69 inches | 1.6 inches | 1.42 inches | 0.55 inches | ||
| Height | 0.61 inches | 0.6 inches | 0.46 inches | 1.96 inches | ||
| Length | 2.67 inches | 5.5 inches | 3.35 inches | 1.96 inches | ||
| Weight | 0.110231131 lbs | 0.065 pounds | 100.0 | |||
| Compatibility | Alexa, IFTTT | Tuya, Home Assistant, Homey, Hubitat, Zigbee2MQTT | Echo devices, Alexa | |||
| Hub Requirement | YoLink Hub required | Echo device as smart hub | ZigBee Hub Required | |||