* Ding-Dong sounds with dual tone sound effects.
* Can select 1 time or 2 times from OPTION pin for sound output.
* HK527 had fixed on 2 times sound output.
* Trigger type by one shot re-trigger mode when TG pin is triggered.
* Sound quality can be modified by capacitors & resistors value of EN1 or EN2 pin.
* Application: Door bells, toys, clock melodies, key chains, security systems.
* Package Type: HK527 DIP-8L / HK537 DIP-14L
* Sound listening: http://www.honsitak-taiwan.com/index_producs-1.htm