• 【Powerful Quad-Head Ultrasonic Design】Featuring four high-power ultrasonic emitters, this dog repellent device provides effective coverage and range.
• 【Adjustable Frequency Range】With a frequency range of 23-41kHz across 10 settings, including a variable frequency mode, it's suitable for deterring various dog breeds.
• 【Large Color Display】The digital screen offers clear visibility of settings and battery status for easy operation.
• 【Multi-Functional Design】Includes a flashlight with constant and strobe modes, as well as vibration and buzzer features for versatile use.
• 【Long-Lasting Battery】2000mAh rechargeable battery provides up to 4.5 hours of continuous operation, ensuring extended use between charges.
• 【Durable Construction】Made from high-quality PC/ABS and silicone materials, this device is built to withstand regular outdoor use.

Specifications:

• Model: A19
• Battery Capacity: 2000mAh
• Battery Type: 18650
• Working Current: 500mA
• Charging Voltage: 5V
• Continuous Working Time: 4.5 hours
• Charging Time: 2 hours
• Ultrasonic Power: 23-41kHz
• Lamp Bead Type: LED
• Material: PC/ABS, Silicone
• Dimensions: 41mm x 112.5mm x 38mm
• Frequency Settings: 0 gear (variable 23-41kHz), 1-9 gear (fixed frequencies from 23kHz to 41kHz)