WS858L Reset & Teardown (FCC ID 2A7V9-WS858L)
Factory reset and internal photos for Tuya Clone WS858L. Tuya / Smart Life smart plug.
January 15, 2026
•
1 min read
Before you buy the Tuya Clone WS858L, check what's inside.
This device is a wireless microphone transmitter, commonly used for karaoke or public address systems. It operates on RF 433MHz and is powered by standard AAA batteries.
⚠️ NOTE: Ensure correct battery polarity when replacing batteries.
Quick Specs
- Manufacturer: Tuya Clone
- Model: WS858L
- Protocol: WiFi
- Chipset: Unknown
- Ecosystem: Tuya / Smart Life
- App: Smart Life
🔧 Geek Corner (Flashing Info)
- Chipset: Unknown
- Flashable: ❌ No
- Info: This is a simple RF transmitter and receiver system, not a microcontroller-based smart device, and is not designed for flashing custom firmware.
User Manual
Scanned pages from the official user manual:
External Photos
Photos of the device exterior:
Internal Photos
Teardown photos showing the PCB and components:
Verdict
The WS858L is a WiFi device from the Tuya / Smart Life ecosystem.
📄 Click to view full text manual (SEO)
NN
NN
FCCWarningStatement
Changesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecould
voidtheuser’sauthoritytooperatetheequipment.Thisequipmenthasbeentestedandfoundto
complywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.These
limitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidential installation.
This equipment generates uses and can radiate radio frequency energy and, if not
installedandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio
communications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticular
installation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,
whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotryto
correcttheinterferencebyoneormoreofthefollowingmeasures:
ϋϋ Reorientorrelocatethereceivingantenna.
ϋϋ Increasetheseparationbetweentheequipmentandreceiver.
ϋϋConnecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiveris connected.
ϋϋ Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowing
twoconditions:(1)Thisdevicemaynotcauseharmfulinterference,and
(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmay...