HiLetgo 2pcs W1219 Thermostat Temperature Controller DC 12V Dual LED Digital Display Thermostat Temperature Controller Voltage Regulator Control Switch Time Delay Relay with NTC 10K Temperature Sensor auspowers_batchfour No resistance when drawing and B0C7QP3H3F No resistance when drawing and writing as real pen for Acer Chromebook Aspire SwitchTIPSHold the stylus pencil with a slight inclination angle to the screen will have better writing experience Apple Airpods Airpod Pro P0 0: timing mode is 0 999 seconds P0 1: timing mode is 0 999 minutes P0 2: timing when the pattern is 0 999 P1 0: T1 time delay relay (T1 timer) P1 1: T1 delay time relay releases (T1 timer) P1 2: time delay relay after T1 (T1 timer) HiLetgo 2pcs W1219 Thermostat Temperature Controller DC 12V Dual LED Digital Display Thermostat Temperature Controller Voltage Regulator Control Switch Time Delay Relay with NTC 10K Temperature Sensor