Description: 【Advanced Proximity Electric Alarm】: Electrical Hazard Alarm provides an extra layer of protection by alerting workers to nearby electrical hazards, helping prevent accidental electric shocks on construction sites. Please note: This product is an auxiliary tool for near electricity reminder and cannot be used as an electrical tester 【Adjustable Settings】: Easily adjust modes to match your work environment for reliable safety warnings 【Compact & Portable Design】: Lightweight and small (7 cm x 4 cm/2.76 inch x 1.57 inch), this device is easy to carry and install, making it ideal for electricians and construction workers who need on the go safety solutions 【Wide Operating Temperature Range】: Approach Electric Alarm functions reliably in extreme conditions from -30°C to +50°C, ensuring dependable performance in various outdoor or indoor environments 【Clear Audio Alerts for Safety】: Induction Proximity Electric Alarm features self check sound prompts before use and continuous alarm signals when live electricity is detected within a 3-meter range, providing timely warnings to keep you safe during operation. Size Chart: 7 cm x 4 cm/2.76 inch x 1.57 inch Package Includes: 1 Electrical Hazard Alarm Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.