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Small white rectangular smart plug with compact form factor and matte finish

TP-Link

TP-Link HS103 Smart Plug 10A 12A 2.4 GHz WiFi

SKU CH-78NX-N2X4N MPN HS103

A compact smart plug controlling lights and small appliances up to 12 A via 2.4 GHz Wi-Fi with Alexa, Google Assistant and Cortana voice support

  • ProtocolWiFi
  • ColorWhite
  • TypePlug-in Module
  • Amazon Alexa CompatibilityYes
  • Google Assistant CompatibilityYes
  • SpecificationsProtocol: IEEE 802.11b/g/n Wireless Type: Wi-Fi communicatio
  • Control from anywhere with the Kasa app on Android or iOS
  • Voice control via Amazon Alexa, Google Assistant and Microsoft Cortana
  • Powers light-duty devices up to 10 A such as lamps and TVs
  • Schedules and scenes automate on/off timing or group multiple plugs
  • Compact 2.62" x 1.57" x 1.50" design fits tight outlets without blocking neighbours

Compact Smart Plug for Light Loads

The TP-Link HS103 is a plug-in module rated at 10 A for lamps, fans, TVs and similar light-duty electronics. It connects directly to a 2.4 GHz Wi-Fi network without a hub and is managed through the Kasa app on Android 4.1 or higher and iOS 9.0 or higher. The white enclosure measures 2.62 by 1.57 by 1.50 inches and weighs 0.25 lb. It suits renters or homeowners who want simple remote switching for a few outlets.

Thermal and Power Behaviour

The device draws only the standby power needed for its Wi-Fi radio and relay, so it adds negligible heat to a socket. No fan or active cooling is present, making operation completely silent. The 12 A maximum rating provides headroom above the 10 A continuous load limit for brief inrush currents. Buyers who need to switch heaters, large appliances or loads above 10 A should choose a higher-rated controller.

App Features and Package Contents

The Kasa app enables scheduling, scenes and away-mode automation so multiple plugs can be triggered with one tap. Voice control works with Amazon Alexa, Google Assistant and Microsoft Cortana for hands-free operation. The box contains the smart plug and a quick-start guide; no additional sensors, hubs or mounting hardware are included. Users without a secured 2.4 GHz Wi-Fi network cannot complete setup.

Highlights

  • Control from anywhere with the Kasa app on Android or iOS
  • Voice control via Amazon Alexa, Google Assistant and Microsoft Cortana
  • Powers light-duty devices up to 10 A such as lamps and TVs
  • Schedules and scenes automate on/off timing or group multiple plugs
  • Compact 2.62" x 1.57" x 1.50" design fits tight outlets without blocking neighbours

Specifications

BrandKasa Smart
ModelHS103
ProtocolWiFi
ColorWhite
TypePlug-in Module
Amazon Alexa CompatibilityYes
Google Assistant CompatibilityYes
SpecificationsProtocol:
IEEE 802.11b/g/n
Wireless Type:
Wi-Fi communication
IEEE 802.11b/g/n
System Requirements:
Compatible with Android 4.1 or higher and iOS 9.0 or higher.
iPhone only version of Kasa app required for iOS tablets
Certification:
RoHS, FCC, IC, UL
Environment:
Indoor use only
Material:
PC
Buttons:
On/Off Switch Button
Restart Button
Reset Button
Input Voltage:
100 - 120VAC 60Hz
Output Voltage:
100 - 120VAC 60Hz
Maximum Load:
12 Amps Resistive @ 120VAC
1200W (General Use)
FeaturesLite-duty Plug
A lighter version of Kasa Smart's mini plug that can power any lite-duty device under 12 AMPs.
Control From Anywhere
Turn your smart plug on and off, set schedules or scenes from anywhere with your smartphone using the Kasa Smart app.
No Hub Required
The Smart Plug works with a secured 2.4GHz wireless network without the need for a separate hub.
Voice Control
Use simple voice commands with your smart plug and any Alexa, Google Assistant or Microsoft Cortana.
Compact Design
The compact design of the Kasa Smart Wi-Fi Plug Lite is smaller than other smart plugs and allows
Dimensions2.62" x 1.57" x 1.50"
Weight0.25 lb. (net weight)
Package Contents(1) Kasa Smart Plug Lite
(1) Quick Start Guide
Shipping weight0.14 kg
Package size89 × 81 × 64 mm

Questions about this item

How do I connect the HS103 to my Wi-Fi and what step do people often miss?

Plug it in, open the Kasa app on Android 4.1+ or iOS 9.0+, and follow the in-app setup. The step users miss is selecting a secured 2.4 GHz network — the plug will not join a 5 GHz band.

Will the relay or outlet wear out and need replacement?

The unit has no user-serviceable parts. If the internal relay fails after extended switching cycles, the whole plug must be replaced; there is no separate maintenance schedule.

What load limit will trip the plug first during continuous use?

The continuous current limit is 10 A. Sustained loads above that — for example a space heater on high — will cause the plug to shut off before any thermal limit is reached.

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