12 Installation Guide2.1 ChecklistBefore installation, please checkNo. Name Quantity Note1 Unit 1 -2 Installation bracket 1 -3 Installation map 1 -4 M4×30 cross pan head flatscrew 2 Used to fix bracket forconcealed mount5 M3×6 inner hex sunk headscrew 1Used to fix device frombottom to installationbracket6 T10 inner hex wrench 1 -7 Screws1 packST3×18 self-tappingscrew, 4Expansion bolt,4When there is directmount, used to fixinstallation on surface.8 Quick start guide 1 -Chart 2-12.2 Panel and InterfaceTime attendance is in Figure 2-2 and Figure 2-3.