What's in the box:

ZigBee Smart Lock Home Security Practical Anti-theft Door Lock Core Cylinder with Keys Working with TuYa ZigBee Hub Powered by TuYa (Silver)

?Note: Please confirm the thickness of the door before buying, and buy the corresponding size of the lock core, otherwise it will not work properly. Detailed lock core size, please refer to the size form.
?Note: The smart lock core must work with TuYa ZigBee Hub, and you can use TuYa APP to control the product.
Features:
*Compatible with both right and left opening doors.
*Smart APP Control: with Unlock record & Forgetting to Pull Key record information push to APP; Unlawfully unlock alarm message push to APP TuYa.
*Panic exit device with exterior keyed lever able for exterior opening with keys. 5pcs cool and colorful keys for easy management.
*Panic devise with dogging feature, solid cored spring bolt. Illegal unlock automatic alarm.
*Device is made of super quality metal material, exquisite workmanship, corrosion resistance, and fireproof.
*Copper lock cylinder, 304 stainless steel rear lock gall. Resisting sawing and destruction.
*ABS material knob, feel warm in winter and cool in summer.
*Suitable for both wood or metal door applications.
*Easy installation and safety guarantee.

Specifications:
Type ( Access Control ): Security Lock
Model: ZYJ 75-40/35; Outer Length: 35-40mm Inner Length: 30-34mm
Feature: Compact
Protocol: Zigbee
APP: TuYa
Illegal Unlock Alarm: Lock core & Pushing APP message
Battery Type: 3* Alkaline LR1 AM5 Size N 1.5V (Included)
Item Size: Approx. 14.1 * 4 * 3.3cm (L*W*H)
Lock Cylinder Size: 40 * 40mm
Item Weight: Approx. 318g / 11oz

Package Information:
Package Size: Approx. 22.8 * 15.8 * 5.1cm / 9 * 6.2 * 2in
Package Weight: Approx. 747g / 26oz

Package List:
1 * Smart Lock Core
5 * Colorful Keys
1 * Set of Lock Core Fixing Screws
1 * Indoor Drill-proof Cap
1 * Outdoor Drill-proof Cap
1 * User Manual