Yoswit Smart Lighting Switch

Model: YO835 (R2)

Product Name: Yoswit Smart Lighting Switch

Panel Type: 86-type

Revision: V7.0

Designed by: Yoswit in Hong Kong, China

Assembled in: Guangdong, China

Certifications: CE (EMC + LVD), FCC, RoHS

Product Summary

An 86-type BLE smart lighting switch in the Yoswit retrofit family. It works with 2-wire (no neutral) and 3-wire (with neutral) traditional wiring, requires no gateway, no rewiring and no complex pairing. Supports low-power LEDs down to 3W on single-wire installs, with delay/timer, switch lock, customizable LED indicator and preset power-restoration state.

Key Features

• No rewiring required: Works with 2-wire and 3-wire installations; replace a traditional wall switch and the home becomes smart.
• High compatibility: Incandescent, CFL and LED loads supported; single-wire mode supports LED lamps as low as 3W.
• Delay & timer function: Ideal for kitchens, stairwells, bathrooms, storage rooms; set lights to turn off after leaving the area.
• Switch lock: Lock the switch ON or OFF via the Yoswit App to prevent accidental operation at home, office or public areas.
• Customizable LED indicator: Configure the indicator to stay always on or light only when powered, in the Yoswit App.
• Preset power-on state: After power recovery, the switch can default to ON or OFF based on user setting.
• No gateway / no complex setup.
• App + manual control.

Electrical Specifications

Mechanical Specifications

Wireless Specifications

App Compatibility

• iOS 13.0 or later
• Android 7.0 or later
• Yoswit App (iOS / Android APK)
• Compatible with Bluetooth Smart Ready devices: phones, tablets, smart set-top boxes
• Third-party ecosystem support per Yoswit platform

Package / Documents

• Smart lighting switch main unit
• Mounting screws
• User manual (EN / Simplified Chinese)
• Datasheet
• Leaflet: Smart Lighting Switch
• Product catalogue / Hong Kong product catalogue

Installation Warnings

1. Cut power at the breaker before installation; licensed electrician only.
2. Strip wires to approx. 5mm exposed conductor.
3. Connect wires to terminals according to the wiring diagram.
4. Ground the device per local electrical code; missing ground is unsafe.
5. Secure the switch to the back box, restore power, then test the button 2–3 times.
6. If LED flickers/no light on 2-wire install: use 3-wire (N) wiring or add the optional LED stabilizer across any lamp.
7. Snap faceplate until all corners “click”; open Yoswit App — switch is auto-detected.