BESTOONE Motion Sensor Alarm, Long Range Wireless Driveway Alarm, Indoor Home Security System Electric Doorbells, 2 Motion Detector and 1 Alarm, 38 Chime Tunes, LED Indicator sold2025 Chain Breaker for #25#35#40#41#50 320

Chain Breaker for #25#35#40#41#50 320 410 415 420 520 525 530 Roller Chain

9 Grade Alloy Steel

Zinc-plated for moderate corrosion resistance

LONGEST LASTING: Quick change discs have long life

Delicate workmanship with good texture

BESTOONE Motion Sensor Alarm, Long Range Wireless Driveway Alarm, Indoor Home Security System Electric Doorbells, 2 Motion Detector and 1 Alarm, 38 Chime Tunes, LED Indicator sold2025 Chain Breaker for #25#35#40#41#50 320BESTOONE Motion Sensor Alarm, Long Range Wireless Driveway Alarm, Indoor Home Security System Electric Doorbells, 2 Motion Detector and 1 Alarm, 38 Chime Tunes, LED Indicator BESTOONE Motion Sensor Alarm Product introduction 1. The receiver working power: 110 240V 2. the transmitter working power: 4. 5V (3 AAA batteries, not included) 3. the receiver buttons: (1) music: 38 ringtones (2) volume: thigh, medium, low (3) mute 4. working distance: up to