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Specification of Button
1 With high strength aluminum alloy shell,durable in use
2 Use digital code technology and the function is steady and reliable
3 wall mounted
4 It show 3-digit number and work with 999pcs 1-key or
multi-kesy call buttons in max
5 show different service type ,C for call;b for bill;d for drink
6 It can show 2 groups of number at the same time
7 It can save 30 calling info in turn,and apply in basic
service places.
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