01
Two independent channels
Switch two lighting circuits separately or together from one compact module.
GEYER SMART · GS-S2CH · 2 CHANNELS
Two lighting circuits.One smart switch.
A compact two-channel Wi-Fi switch module for independent ON/OFF control of two lighting circuits, locally from existing wall controls or remotely through GEYER Smart.
2 channelsIndependent ON/OFF control
2 × 5 AMaximum current
18 mmSlim design
Dual-channel controlAll ON · All OFF
Flexible mountingWall box or DIN adapter
CONNECTED ECOSYSTEM
Amazon Alexa
Google Home
Tuya Smart
Smart LifeLIGHTING · CONTROL · AUTOMATION
Independent control for two lighting circuits.
GS-S2CH combines compact installation, local wall control and remote ON/OFF management through the GEYER Smart app.
02
Remote ON/OFF
Switch either channel on or off from the GEYER Smart app, wherever you are.
03
Local wall control
Retain convenient local operation through compatible existing switches or momentary push-buttons.
04
Schedules & automations
Create up to 30 programs per day and use weekly schedules, countdown, sunrise/sunset and automatic switch-off.
COMPACT MODULE · TWO LIGHTING OUTPUTS
Smart ON/OFF control designed to fit behind the wall switch.
GEYER SMART APP
Both lighting circuits in one clear view.
Control each channel separately or together, create schedules and automations, and share access with up to 20 users.
APPLICATIONS
Lighting control that adapts to every space.
01
LIVING ROOM
Control main and ambient lighting as two independent circuits.
02
BEDROOM
Operate two lighting zones separately for everyday comfort.
03
HOLIDAY HOME / AIRBNB
Schedule welcoming lighting and manage it remotely.
04
SHOP / HOSPITALITY
Automate two lighting circuits according to opening hours and daily needs.
Load suitability, required protection and wiring must be assessed by a qualified electrician, who performs installation with the power supply isolated.
TECHNICAL SPECIFICATIONS
Compact control for two lighting circuits.
A two-channel Wi-Fi switch module with local-control inputs, neutral conductor and flexible installation behind a switch or on a DIN rail using the appropriate adapter.
CEREDRoHS2 years
Input voltage100–240 VAC, 50–60 Hz
Maximum current2 × 5 A
Maximum LED load2 × 150 W
Channels2 independent ON/OFF outputs
Neutral conductorRequired
Local controlCompatible wall switches or momentary push-buttons via S1 and S2
Wi-FiIEEE 802.11 b/g/n, 2.4 GHz
MountingWall switch box · DIN rail with suitable adapter
Dimensions39.2 × 39.2 × 18 mm
Ingress protectionIP20
Operating temperature−10 °C to +40 °C
ProgramsUp to 30 programs / day
Shared usersUp to 20
NotificationsPush notifications
Warranty2 years
ComplianceCE · RED 2014/53/EU · LVD 2014/35/EU · EMC 2014/30/EU · RoHS
INSTALLATION & PAIRING
Three essential steps.
01
Installation
Have the module connected behind the wall switch or with the suitable DIN-rail adapter by a qualified electrician, with the supply isolated.
02
App
Download GEYER Smart from the App Store or Google Play and connect the phone to a 2.4 GHz Wi-Fi network.
03
Pairing
Press and hold the reset key for about 10 s, or operate the connected wall control five times, until the indicator light flashes rapidly; then add GS-S2CH in the app.
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ELECTRICAL SAFETYInstallation, protection, conductor selection and load compatibility must be assessed by a qualified electrician. Isolate the power supply before installation or wiring.
WIRING & DIMENSIONS
Two outputs with local-control inputs.
Connect supply L and N, lighting outputs L1 and L2, and the selected local controls to S1 and S2 according to the wiring diagram. The neutral conductor is required.
FREQUENTLY ASKED QUESTIONS
The essential answers.
Can the two channels be controlled independently?+
Yes. Each output can be switched separately, while All ON and All OFF controls are also available.
Does GS-S2CH require a neutral conductor?+
Yes. A neutral conductor is required for installation.
Can the existing wall controls be retained?+
Yes. Compatible existing switches or momentary push-buttons can be connected to S1 and S2 for local ON/OFF control.
Does it connect to 5 GHz Wi-Fi?+
No. GS-S2CH connects exclusively to a 2.4 GHz Wi-Fi network.
What happens if the Wi-Fi connection is lost?+
Local control remains available. When Wi-Fi returns, the module reconnects automatically to the configured network.
Who should install GS-S2CH?+
Installation and electrical connection must be performed by a qualified electrician.
VIDEO
Product videos.
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Video content coming soon
TESTIMONIALS
Everyday experiences with GS-S2CH.
Smart lighting control in renovations, shops and homes.
01“
I use these modules in renovations where we want smart lighting without replacing the switches. The GS-S2CH gives me independent control of two lighting circuits from a single compact module.
GiorgosElectrician
02“
I have scheduled the shop-window lighting to switch on and off automatically. I can control it instantly from my phone, even when the shop is closed.
KaterinaShop owner
03“
I use the GS-S2CH for the living-room lighting and can control two different zones from my phone. I created different scenes for relaxing and everyday use.
ManolisHomeowner
GS-S2CH DOCUMENTATION
All product documents in one place.
PDF
DatasheetTechnical specifications
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PDF
PDF
Quick GuideEssential installation and pairing steps
COMING SOON
ManualDetailed use and settings
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PDF
Product SheetProduct overview and applications
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