TIP32C (100V, 3A) PNP -15 v Optional Industrial Temperature Range: -40oC

Optional Industrial Temperature Range: -40oC to +85oC

56 MHz is  it used for identifying employees at entrance ways and secured rooms of offices and access control and so on

It can detect LPG

CR2025 3V Lithium battery (Maxell)

TIP32C (100V, 3A) PNP -15 v Optional Industrial Temperature Range: -40oCIntroduction : KBPC2504 ( 25A Bridge Rectifier) Mounted in TO 220 plastic package. Features : Medium power PNP Transistor DC Current Gain (hFE) 10 to 50 Continuous Collector current (IC) is 3A Collector Emitter voltage (VCE) is 100 V Collector Base voltage (VCB) is 100V Emitter Base Voltage (VBE) is 5V Available in To 220 Package