Wifi Tuya Waterproof Access Controller SK-A31S – Dual Frequency 125kHz/13.56MHz RFID Reader, IP67 Outdoor Keypad

Smart WiFi Access Control for Offices, Apartments and Homes

The SK-A31S is a Tuya WiFi waterproof access controller designed for outdoor installation. It combines a backlit touch keypad, dual-frequency RFID card reading (125kHz EM + 13.56MHz IC) and smartphone app control in one compact IP67-rated unit, giving property managers a reliable, low-cost way to secure doors from anywhere.

Key Features

• Tuya App remote control – unlock doors, add or delete users, and view access records from your smartphone over WiFi.
• Dual frequency RFID – reads both 125kHz EM and 13.56MHz IC cards, compatible with most existing card systems.
• 10,000-user capacity – ideal for offices, apartment buildings and campuses with many residents or staff.
• IP67 waterproof – glue-filled and fully sealed against rain, dust and moisture for outdoor use.
• Backlit touch keypad – clearly visible at night; supports PIN code entry with optional management card.
• Multiple open methods – card, PIN code, mobile NFC and Tuya App.
• Wiegand 26 output – can drive NO/NC electric locks directly or connect to an external Wiegand 26 reader.

Specifications

Model	SK-A31S
Communication	Wiegand 26 / Tuya App (WiFi)
Card types	125kHz EM + 13.56MHz IC
User capacity	10,000 users
Waterproof rating	IP67
Material	ABS plastic
Power supply	DC 12V
Lock output	NO / NC electric lock
Open methods	Card / Keypad PIN / Mobile NFC / Tuya App
Dimensions	70 × 20 × 113 mm
Certification	CE

Applications

Perfect for office doors, apartment entrances, residential gates, storage rooms and factory access points. As a smart lock OEM/ODM manufacturer, we supply the SK-A31S with custom logo and packaging options for distributors and installers worldwide.

Contact us for bulk pricing, samples or OEM/ODM customization.