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Amazon Price: $12.39 (as of February 9, 2025 9:50 am –
– 130dB loud alarm voice
– High sensitive detect board
– 3M double side paster for easy install
– 37.8 inches cable, easy extend by user
– Supply by 9V battery (not include), battery life will be about 12 months for normal use
(low quality battery about 6 months, very high frequency alarm or testing, battery life will be shorter)
This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases
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Prime Gaming
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Amazon Kids+ Free Trial
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Prime Try Before You Buy First Box Checkout
Amazon Music Unlimited Monthly Subscription
Amazon Music Unlimited Digital Bundle
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This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases