Comparison : Item # AI-1027-TWT-3V-R, 80 Decibels A (dBA) Minimum Sound Pressure Level (SPL) at 10 Centimeter (cm) and Tin (Sn) Plated Red Copper Terminal Material Buzzer Indicator
Item # AI-1027-TWT-5V-2-R, 82 Decibels A (dBA) Minimum Sound Pressure Level (SPL) at 10 Centimeter (cm) and Gold (Au) Plated Red Copper Terminal Material Buzzer Indicator
Item # AI-1027-TWT-5V-R, 80 Decibels A (dBA) Minimum Sound Pressure Level (SPL) at 10 Centimeter (cm) and Tin (Sn) Plated Red Copper Terminal Material Buzzer Indicator