The ABUS Smartvest Pro Funk-Sirene (FUSG45000) alarm siren is a wireless outdoor alarm siren with batteries for the Smartvest Pro system. It features:

• Selectable alarm sound level (low/high)
• Red LED flashing light as a visual indicator
• Interference and disconnection protection
• IP44-rated design for outdoor use

Power is supplied by 4 C batteries (1.5 V) (approximately 1 year battery life) with additional DC 5 V support. The siren also supports AC 100–240 V. Wireless features include:

• Frequency: 868.3 MHz (FSK)
• Transmission power: ~11.3 dBm
• Range: up to 100 m depending on installation

Dimensions: ~112 x 122 x 300 mm. Net weight: ~935 g. The package includes: siren unit, power supply, 4 C batteries, mounting materials, drilling template, and quick start guide.