Features: Solar Powered: This driveway alarm includes a solar-powered transmitter and a receiver with a digital display. The transmitter harnesses solar energy for power, ensuring continuous operation without the need for batteries or electrical outlets. The receiver features a digital display for easy monitoring of the alarm status. Transmission Range: The motion sensor alarm offers a transmission range of 200-300m, allowing you to monitor activity in a wide area. It has three sensitivity levels of detection distance: low sensitivity (5-8m), medium sensitivity (8-12m), and high sensitivity (13-16m), providing flexibility to suit your specific needs. 38 Ringtones & 4 Volume Levels: With 38 selectable melodies and 4 volume levels, including a sound + indicator light in sound mode and a silent mode with only indicator lights, you can customize the solar driveway alarm to your preference. The variety of melodies and adjustable volume ensure that you won't miss any alerts. Wide Range of Use: The wireless driveway alarm utilizes 433MHz FSK wireless transmission technology, ensuring stable and reliable signal transmission. The IP60 waterproof rating protects the system from dust and water splashes, making it suitable for outdoor use in various weather conditions, and suitable for monitoring driveways, entrances, garages, and more. It provides an effective solution for enhancing security and alerting you to any unexpected activity. Plug & Play: The driveway alert is designed for easy installation with a plug-and-play setup. Simply connect the receiver to a power source and the transmitter to the desired location that can face the sun, and the system is ready to use. The 120° detection angle ensures comprehensive coverage, minimizing blind spots. Specification: Product material: ABS Receiver size: 85 x 85 x 26mm / 3.35 x 3.35 x 1.02in Transmitter size: 150 x 90 x 43mm / 5.91 x 3.54 x 1.69in Product weight: 480g / 16.93oz Transmitter voltage: DC 5V Alarm current: 500mA Detection angle: 120° Static current: 120uA Working temperature: 30-50°C Transmission frequency: 433MHz FSK Transmission distance: 200-300m / 656.16-984.25ft Action distance: 30mm / 1.18in Low sensitivity: 5-8m / 16.4-26.24ft Medium sensitivity: 8-12m / 26.24-39.37ft High sensitivity: 13-16m / 42.65-52.49ft Communication method: Wireless Battery: 3.7V/500mAh Solar panel: Monocrystalline silicon 5.5V 100mA Music: 38 songs Volume: 4 gears (high, medium, low, and mute) Sound: Sound - sound+indicator light, silent - indicator light Waterproof: IP60 Plug type: 110V US plug, 220V EU plug, 220V UK plug, 220V AU plug (Optional) Type: 1*Transmitter+1*Receiver, 2*Transmitter+1*Receiver, 1*Transmitter+2*Receiver (Optional) Packing List: 1/2 x Transmitters (Optional) 1/2 x Receivers (Optional) 1 x Manual