Pack of 2 replacement filters for Philips vacuum cleaners FC8760/FC8761/FC9710/FC8766

【Ultrasonic Dog Repellent】 This repellent emits powerful ultrasonic waves audible only to animals. Its range is 5 to 10 meters. It helps to keep aggressive dogs away.

【LED Indicator】 This repellent is equipped with an LED indicator that signals its operation and charging status, and warns you when the battery is low. So you no longer have to worry about running out of power.

【USB Powered and Long Battery Life】 Its built-in 350 mAh battery is rechargeable via USB and consumes little power. It offers up to 30 days of standby time and up to 5 days of normal use. Fast charging is available in 2 hours.

【Portable and Lightweight】 Small and compact, this device easily fits in a pocket. It has a shoulder strap, so you can take it anywhere. This versatile training device is suitable for both training and deterring dogs. It's the ideal choice for those who want to avoid being bothered by dogs while travelling, cycling or walking.