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RAINBOW SKY / SMART ACCESS

Keypad Padlock SK-U704 – Digital Combination Lock, 10 Codes, Key Backup, IP67 Waterproof Zinc Alloy

MODEL / SK-U704

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Details & specifications.

Digital Combination Padlock with Key Backup

The SK-U704 is a keypad combination padlock that opens with a 3-8 digit code or a mechanical backup key. It stores 10 password groups, runs on two CR2032 cells for 9-12 months, and protects lockers, gates, warehouses and truck compartment doors with an IP67-rated zinc alloy body.

Key Features

  • Keypad password unlock – simple 3-8 digit codes, easy for elderly and children.
  • 10 password groups – manage several codes for different users.
  • Fast recognition – unlocks in under 0.5 seconds.
  • Mechanical key backup – open with the key if the battery dies.
  • IP67 waterproof – fully protected against rain, splashes and dust.
  • Zinc alloy body – durable and corrosion-resistant.
  • C-grade cylinder core – high security against picking.
  • Long standby – 9-12 months on 2×CR2032 cells.

Specifications

Model SK-U704
Unlock methods Keypad password (3-8 digits) / Mechanical key
Password capacity 10 password groups
Recognition speed Under 0.5 seconds
Security grade C-grade cylinder core
Waterproof rating IP67
Body material Zinc alloy
Battery 2 × CR2032 button cells
Standby time 9-12 months
Working temperature -20°C to 55°C
Dimensions 89 × 55 × 30 mm
Net weight 0.26 kg
Applications Lockers, dormitory cabinets, gym lockers, fence gates, warehouses, truck compartment doors

Applications

The SK-U704 works wherever a simple, reliable code lock is needed — no app, no phone, no pairing. It suits schools, gyms, warehouses, outdoor gates and truck compartments. As a smart lock OEM/ODM manufacturer, we supply it with custom logo, packaging and color options for distributors and project buyers worldwide.

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