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BRAND:  yolink        MODEL: YS3604-Alarmfob

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AlarmFob Smart KeyFob
AlarmFob Smart KeyFob


Smart fob for control of YoLink security and non-security devices, optimized for security arming/disarming, siren control and panic button functions.



This product requires a YoLink Hub or SpeakerHub!


Free U.S. Shipping, Orders $50 & Up

Hassle-Free 60 Day Returns

2-Year Warranty

Do-It-Yourself Installation

U.S. Phone Support Available

100% Satisfaction Goal



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A smart handheld fob, optimized for security/intrusion detection applications. Four programmable buttons, each with two available actions. Buttons are labeled for common actions like arm, disarm, sleep (scene activation), and panic/alarm.
General Features:
  • Four dual-action buttons
  • Keyring loop (removeable)
  • Battery-powered (two standard alkaline AA batteries, included)
  • LoRa long-range/low-power technology offers 2+ years battery life, compared to 1+ year for other brands
  • LoRa long-range/low-power technology allows for up to 1/4 mile open-air wireless range
  • Compatible with the YoLink app; check device health (RF signal level, battery level, etc.), adjust settings from the app, etc.
  • Compatible with YoLink Control-D2D device-to-device pairing; can directly control compatible YoLink devices, like a smart plug or garage door controller. learn more
Button Features:
Regarding YoLink features, each button has the following capabilities:
  • Short-press and long-press actions (two per button X four buttons = 8 actions)
  • Directly control a YoLink device (for example, unlock a smart deadbolt)
  • Send a notification (for examples, send a text message, or play a text-to-speech message on SpeakerHubs)
  • Activate a scene (for example, lock multiple doors, turn on exterior floodlights)
  • Control an Alarm Strategy (for example, arm or disarm security devices)

What's in the box?
(1) AlarmFob (batteries included)
(1) Quick Start Guide
Two Years
  • Arm or disarm your security devices
  • Activate and silence your sirens
  • Activate a panic alarm response (programmable)
  • Direct device control
  • Trigger a YoLink scene, for example a scene that locks exterior doors and turns on the porch light, and turns off or dims interior lights

Power: (2) AAA alkaline non-rechargeable batteries (included)

Dimensions: 2 5/8" tall x 1 3/4"  wide x 5/8" thick (67 x 44 x 16mm)


   Environment Temperature Range: -4°F – 122°F (-20°C - 50°C)

  • YoLink Hub with an internet connection (wired Ethernet or 2.4GHz Wi-Fi). Refer to the Hub user guide for additional information
  • Smartphone or tablet running iOS 9 or higher, Android 4.4 or higher
  • Tools Required: none
  • Installation Difficulty Level: Extremely easy


File Type



Q:  Are the batteries replaceable?  A: Yes. The battery cover is accessible from the back of the fob. After removing the screw (with a small Phillips screwdriver) gently pry off the cover with a slotted screwdriver. Replace the two AA batteries, then snap the cover back on, and reinsert and tighten the screw.

Q: Is this weather-resistant, can it be used outside?  A: Yes, it is weather-resistant and it can be used outdoors. 

This product is a member of the following product collections:

Security/Intrusion Detection

Power & Lighting

Smart Aquarium



If you still have questions, please feel free to contact us


If you still have questions, please use the chat service, or click below to fill out a pre-purchase support request form.


If you still have questions, please use the chat service, or click below to fill out a pre-purchase support request form.

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