Liftmaster 835LM Perimeter Alert System

Help, Troubleshooting, and Instructions

Liftmaster Help, Troubleshooting, and Instructions

Perimeter Alert System 835LM

• Detects motion up to 30 feet away with wide 120 degree coverage.
• Transmits signal to base up to 1/2 mile away.
• Motion Sensor features adjustable sensitivity control to prevent false alerts from small animals.
• Detection indicators with light and sound and adjustable volume control.
• Connect 1 base station with up to 4 motion sensors. Portable and lightweight for use inside or out
• Durable weather proof design.
• Easy to install - installs in minutes.
• Includes base station, 1 motion sensor, 1 AC adapter, mounting hardware and non-slip feet.
• Receiver requires one 9-volt battery (batteries not included order below).
• Sensor requires four AA batteries (batteries not included order below).
• 1-year warranty.