Product&nbsp;information�__ Color: silver and black Material: stainless steel cover Working mode: vibration sensor Alarm volume: 120dB Three kinds of sensitivity: high, medium and low Battery: 1 * 9V battery Size: 14 * 4.5 * 3.5cm Net weight: 94g<img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1612149239249.jpg" style="max-width:100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1612149239181.jpg" style="max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1612149239251.jpg" style="max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1612149239211.jpg" style="max-width: 100%;"><img src="https://cc-west-usa.oss-accelerate.aliyuncs.com/1612149239180.jpg" style="max-width: 100%;">

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