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Specification of Button
Display Type: Show 3 Groups Calling Number and 3-Digit Number
1 With high strength ABS shell, durable in use
2 Use digital code technology and the function is steady and reliable
3 Desktop or wall mounted
4 It show 3-digit number; Work with 999pcs 1-key or multi-key call buttons in max
5 It can show different service type
6 It can show 3 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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