Quantity   Component name
1 × HK4100F Relay Relay
1 × 3v Buzzer
1 × Red LED
1 × Green LED
1 × Tactile Push Button
1 × CR2032 Battery Holder with 2 wires
1 × CR2032 Batteries and Battery Accessories / Batteries
1 × Male SAO Header
1 × Female SAO Header
1 × CH32V003A4M6 SOP-16 CH32V003
1 × 10uf 603 Capacitor
1 × .1uf 603 Capacitor
2 × 150 OHM 603 Resistor
1 × 1k OHM 603 Resistor
1 × 10k OHM 603 Resistor