Specification:
Product Name: Hole-Free Invisible Smart Lock
Material: Metal
Color: Black/Silver
Unlock Methods: Tuya App (bluetooth), IC card, one-key indoor button, and manual key bypass
Power Supply: 4 x AA batteries
Dimensions: Lock Body - 183.4mm x 71.4mm x 30mm; Latch - 110mm x 31mm
Applicable Door Thickness: Less than 60mm

Features:
1. Hole-Free Installation Design: Single-sided indoor installation ensures no visible traces outside the door.
2. Multiple Access Options: Unlock with Tuya App, IC card, or manual override options such as an indoor button, ensuring convenience and flexibility.
3. Automatic Lock & Unlock Functionality: Detects door closure to auto-lock and unlocks automatically if battery power runs low.
4. Real-Time Management: Remote unlocking and monitoring using Tuya App with viewable unlocking records.
5. Quick Response: 0.5-second IC card access for fast, secure unlocking.
6. Low Voltage Alarm: Visual and voice alerts for low battery levels to ensure timely replacement.

Package Includes:
1 x Smart Lock Body
1 x Latch
2 x White IC Card
1 x Screws Pack
1 x User Manual