High borosilicate glass liner with window for monitoring reaction product changes.Dual-use stirring bath for water and oil, with optional stirring in the bath ensuring uniform heating of both bath liquid and sample.Features a timer function with a range of 1 min to 99h 59min. Heating continues when the countdown ends but continues stirring to prevent heat damage to the sample.Touch buttons with audible prompts. Working status indicator light: Green during operation, flashing green before reaching set temperature; alarm red.Reversible stirring function.Protection features: dry burning protection, over-current protection, ground fault protection, and over-temperature protection.Residual heat warning function. When the plate temperature is above 50°C, heating is turned off, and the screen flashes "HOT" as a reminder of the high temperature even after the power is off.DC brushless motor, spark-free, long life; low noise, maintenance-