Best USB Home Alarm Systems of 2025

The Olarm Shed Alarm offers an impressive eight alert siren sound choices, including variable sirens and voice warnings, ensuring you can tailor the alarm to your preference. You can easily deter unwanted entry by sounding the alarm within your shed, garage, or outbuilding. Alternatively, place the siren unit in your home or office to receive alerts directly. The system allows you to link two units, providing both an entry point siren and alerts to your location, enhancing your security coverage.

The Notfjk Door Stop Alarm is an easy-to-use safety device that activates with a simple pull of the keychain. It provides immediate alerts through a loud sound and bright strobe light if someone enters your space without permission, ensuring your valuables are protected. The built-in flashlight offers a reliable beam for illumination in various situations. This versatile keychain is perfect for anyone seeking peace of mind, whether at home, in a hotel, or while travelling, making it an excellent addition to your safety toolkit.

The Olarm Shed Alarm offers eight alert siren sound choices, including variable sirens and voice warnings, ensuring you can customise the alert to suit your preferences. You can conveniently place the siren alert in your shed, garage, or outbuilding to deter unwanted entry. Alternatively, you can position the siren unit in your home or office, allowing immediate alerts to reach you. With the option to link two systems, you can have a siren at the entry point while still being alerted directly in your home or office, enhancing your security.

The YISEELE Alarm System offers an excellent solution for home security. With its WiFi capability, you can manage your alarm system from anywhere using the user-friendly app on your smartphone. The wireless setup allows for easy installation, letting you place sensors exactly where you need them. You can also control the system remotely through voice commands with Alexa or Google Home, providing added convenience. Additionally, its expandable feature allows you to customise your security with up to 100 sensors, ensuring comprehensive coverage for your home.

The Notfjk Door Stop Alarm is a compact and user-friendly device designed to enhance your security while travelling or at home. Simply pull the keychain to activate the loud alarm and flashing light, providing immediate alerts if someone enters your space without permission. The vibration alarm is especially useful for protecting your valuables, alerting you if they are touched while you're away. Additionally, the built-in flashlight offers a bright beam for any situation, ensuring you feel secure wherever you are.

The ALEENFOON Caregiver Pager is a versatile home alarm system designed for your safety and convenience. With 58 melodies and 4 volume levels, you can easily adjust the sound to suit your environment, ensuring you can hear alerts without disturbing others. Its long-range capability of up to 180m means you can move freely around your home while still receiving notifications. Additionally, the portable vibration receiver allows you to feel alerts even if you can't hear them, making it ideal for users who may have hearing difficulties. Lastly, the IP68 waterproof design ensures that the device can withstand splashes, providing peace of mind during daily activities.

The Actpe Bike Alarm offers excellent security for your bicycle, motorcycle, or scooter. With a powerful 110 dB alarm system, it deters theft and alerts you to any unauthorised movements. You can adjust the volume and sensitivity to suit your preferences, ensuring you get the perfect level of protection. The USB rechargeable feature provides up to three months of usage on a single charge, making it ideal for outdoor enthusiasts and urban commuters who need reliable security on the go.

The ALEENFOON Alarm System is designed to provide quick assistance for elderly users, children, and those with disabilities. With a simple press of the call button, you can summon help without the need to shout, ensuring timely care. The system boasts a long-range capability of up to 80 metres, allowing it to function effectively throughout your home. You can choose from 58 different alarm sounds, ensuring that you find one that suits your preference, while the adjustable volume caters to various hearing needs. Additionally, the waterproof wrist transmitter offers versatile placement options for convenience.

The Sonew Personal Alarm is designed for your safety and peace of mind. It features a loud 120DB alarm that activates when you pull the ring, lasting for an hour and flashing to deter potential threats. The built-in polymer lithium battery ensures it’s always ready for use, with a charging protection scheme for added security. Its snap-on design allows you to easily attach it to keys or bags, making it convenient to carry wherever you go. Additionally, it can be kept by the bed for quick access in case of emergencies, providing timely assistance when needed.

The ALEENFOON Alert Alarm is a practical solution for those in need of quick assistance, such as the elderly or disabled individuals. With a range of up to 80 metres, you can ensure help is always within reach. You will appreciate the 58 alarm sounds available, along with adjustable volume settings, providing clear alerts without distress. The waterproof transmitter allows for convenient placement, whether worn as a pendant or kept at your bedside, giving you peace of mind in emergencies.