The HG1302ZN is a Real-Time Clock (RTC) module with 8 pins configured in a Dual Inline Package (DIP) form factor and is manufactured by HGSEMI. It features a 32.768kHz output and is RoHS (reduction of hazardous substances) compliant. This module is designed to manage timekeeping functions such as alarms, seconds, minutes, hours, date, and day of the week. It also supports a variety of functions such as a programmable timer failure indicator, battery switchover, low power operation, and power fail memory reset. It operates on a 5V DC power supply, has a total power consumption of 2.7mW (max), and a storage temperature range of -55°C to 125°C. This module is ideal for use in machines, computers, alarm clocks, and other time-keeping devices.