Retrofit Smart Switch

Make your geyser or AC smart in 15 minutes

Name: LPF Retrofit 1 Switch
Brand: Beakn
SKU: lpf-retrofit-1-switch

A 16mm WiFi module that sits behind your existing switch and turns one heavy appliance — geyser, AC or water pump — fully smart, with app, voice and automation. No rewiring, no change to your switch plate.

1Switch

16APer channel

16mmThin module

What the hardware does

Single heavy-duty channelRuns one big appliance — AC, geyser or pump — directly.

16A relayRuns a heavy load directly — even an AC or geyser.

16mm ultra-thinFits behind any standard switchboard. Plates stay unchanged.

Isolated SMPSSafe, stable power with under 0.8W standby draw.

Surge protection2.5KV rated, tested up to 4KV — protects every connected load.

2-way switchingWorks with existing two-way wiring.

What the app does

Auto-off timerGeyser or AC off after a set time — fires even when switched on at the wall, the way it saves on the bill.

Safe Mode + WhatsApp alertDisconnects your AC or geyser above 280V or below 200V and sends a WhatsApp alert — guards an expensive appliance.

Schedules & sunrise/sunsetDaily schedules and GPS sunrise/sunset triggers that keep running locally, even offline.

Energy & running hoursSee estimated energy cost and running hours, with a full who/when/how ON/OFF history.

Voice, NFC & shortcutsSiri, Google and Alexa, NFC tap actions and one-tap home-screen shortcuts.

Works from your wall switchYour existing switch still works — and the auto-off timer fires no matter how it's turned on.

Full specification

Module thickness	16mm
Operating voltage	240V AC, 50/60Hz
Channels	1
Relay rating	16A
Max load — incandescent/resistive	1800W
Max load — LED	200W / 6 units
Max load — inductive	800W
Power supply	Isolated SMPS
Standby power	Less than 0.8W
Surge protection	2.5KV rated, tested to 4KV
2-way switching	Supported
Connectivity	WiFi — direct to cloud, no hub
Offline control	Yes — schedules, timers, wall switch
Voice assistants	Google, Alexa, Siri, HomeKit
Warranty	3 years

Common questions

Does the LPF Retrofit 1 Switch need a neutral wire?

Yes. Every Beakn product needs a neutral wire at the switchboard. Most Indian homes built in the last 15 years have one. If you are not sure, send us a photo of your switchboard on WhatsApp and we will check it for you.

Does it work without internet?

Yes — schedules, timers, wall switch

Which voice assistants does it work with?

Google, Alexa, Siri, HomeKit.

Do I need a separate hub or gateway?

WiFi — direct to cloud, no hub

What warranty does it come with?

3 years

What power supply does it need?

It runs on 240V AC, 50/60Hz.