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EFI30B is an Infrared Sensor Exit Button with stainless steel in size of 86Lx50Wx37.7H(mm) suitable for all kinds of locks. 4-12cm induction distance is adjustable, 1~25S Time delay is adjustable. Red LED indicator: Power ON(standby);Green LED indicato发布时间：11 年前
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EFI30C is an Infrared Sensor Exit Button with stainless steel in size of 86Lx86Wx25.7H(mm) suitable for all kinds of locks. 4-12cm induction distance is adjustable, 1~25S Time delay is adjustable. Red LED indicator: Power ON(standby);Green LED indicato发布时间：11 年前
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EFI30D is an Infrared Sensor Exit Button with stainless steel in size of 114Lx70Wx25.7H(mm) , American Standard,suitable for all kinds of locks. 4-12cm induction distance is adjustable, 1~25S Time delay is adjustable. Red LED indicator: Power ON(standb发布时间：11 年前
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