Compact and stylish design with 4-key control Utilizes wireless radio frequency technology for long transmission range, omnidirectional signal, high sensitivity, and reliable performance without signal blockage Equipped with LED indicator for operational status Suitable for use in home or commercial anti-theft alarm systems; compatible with various doors, windows, electric vehicles, cars, motorcycles, and industrial control applications Working voltage: DC 12V Battery: CR2032 Operating current: ≤12mA Frequency: 868MHz Output power: 10mW Transmission range: 50–100 meters Frequency deviation: 0.2MHz Transmission speed: 50–60KHz Chip type: Copy code (requires direct pairing) Operating temperature: -20°C to 70°C Storage temperature: -10°C to 50°C Compatible with the following models: HS1-868-BS HS4-868-BS HS5-868-BS HSS4-868-BS HSE1-868-BS HSE2-868-BS HSE4-868-BS HSP4-868-BS HSD2-868-BS Color: Black & Silver Material: Plastic + Metal Package includes: 1 x Remote Control Note: Other items not included. Color may vary slightly due to lighting and display differences. Measurement may vary by ±1–3 cm.