HUSH U20 850mAH Lithium Polymer Battery, USB C recharge 2 hours Dual Head 25 kHz std Ultrasound |20-30kHz max Enhanced Ultrasonic Mode 115dB operating up to 10M Operation confirmation from Vibration and LED light Other functions: LED Functions Dual Lamp Torch | Strobe Mode

HUSH UB122 2000mAH Lithium Polymer USB C recharge 2 hours Triple Head25 kHz std Ultrasound |20-30kHz max Enhanced Ultrasonic Mode 115dB (0.5-meter reference) up to 15M Operation confirmation from vibration and RGB Light Bar Other LED functions: 3000 Lumen Torch | Strobe Mode